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editionsladecouverte.fr

editionsladecouverte.fr may not be SSL secured

Free website and domain report on editionsladecouverte.fr

Last Updated: 11th July, 2021 Update Now
Overview

Snoop Summary for editionsladecouverte.fr

This is a free and comprehensive report about editionsladecouverte.fr. The domain editionsladecouverte.fr is currently hosted on a server located in Saint-Amand-Montrond, Centre-Val de Loire in France with the IP address 185.151.213.35, where the local currency is EUR and French is the local language. Editionsladecouverte.fr has the potential to be earning an estimated $1 USD per day from advertising revenue. If editionsladecouverte.fr was to be sold it would possibly be worth $1,002 USD (based on the daily revenue potential of the website over a 24 month period). Editionsladecouverte.fr is somewhat popular with an estimated 477 daily unique visitors. This report was last updated 11th July, 2021.

About editionsladecouverte.fr

Site Preview: editionsladecouverte.fr editionsladecouverte.fr
Title: Editions La Découverte
Description:
Keywords and Tags: general news
Related Terms: decouverte bretagne
Fav Icon:
Age: Over 23 years old
Domain Created: 3rd April, 2000
Domain Updated: 24th June, 2021
Domain Expires:
Review

Snoop Score

1/5

Valuation

$1,002 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 1,471,350
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 477
Monthly Visitors: 14,518
Yearly Visitors: 174,105
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $1 USD
Monthly Revenue: $41 USD
Yearly Revenue: $496 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: editionsladecouverte.fr 23
Domain Name: editionsladecouverte 20
Extension (TLD): fr 2

Page Speed Analysis

Average Load Time: 1.13 seconds
Load Time Comparison: Faster than 70% of sites

PageSpeed Insights

Avg. (All Categories) 65
Performance 31
Accessibility 93
Best Practices 67
SEO 100
Progressive Web App 36
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.editionsladecouverte.fr/
Updated: 3rd July, 2021

1.44 seconds
First Contentful Paint (FCP)
82%
14%
4%

0.00 seconds
First Input Delay (FID)
94%
4%
2%

Simulate loading on desktop
31

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for editionsladecouverte.fr. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0.015
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Opportunities

Minify CSS — Potential savings of 3 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Editionsladecouverte.fr should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap.css
21787
3560
Minify JavaScript — Potential savings of 11 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Editionsladecouverte.fr should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/jquery.validationEngine.js
18329
8294
https://www.editionsladecouverte.fr/includes/scripts/jquery.autocomplete.js
5805
2561
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Editionsladecouverte.fr should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 42 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
16725
https://platform.twitter.com/embed/embed.vendors~ondemand.horizon-web.en-js.da67c80b15a261987832.js
7219
https://platform.twitter.com/embed/embed.vendors~ondemand.TimelineList~ondemand.TimelineProfile~ondemand.Tweet.22ed862f34c8c98fa79c.js
6950
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
6382
https://platform.twitter.com/embed/embed.vendors~ondemand.Card~ondemand.TimelineList~ondemand.TimelineProfile.63bb1cb588893e4a9783.js
5875
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
64
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
0

Diagnostics

Avoids an excessive DOM size — 562 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
562
Maximum DOM Depth
Actualité / Documents
15
Maximum Child Elements
body
19
Avoid chaining critical requests — 18 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Editionsladecouverte.fr should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
4419.721
mark_pe
Mark
4511.489
mark_pe
Mark
4592.915
mark_fs
Mark
4674.773
mark_qoes
Mark
4688.271
mark_fs
Mark
4813.429
mark_qoes
Mark
4824.373
mark_fs
Mark
4924.922
mark_qoes
Mark
4936.206
mark_pe
Mark
5096.126
mark_pe
Mark
5183.598
mark_fs
Mark
5245.357
mark_qoes
Mark
5255.947
mark_fs
Mark
5354.058
mark_qoes
Mark
5366.371
Keep request counts low and transfer sizes small — 229 requests • 9,241 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
229
9462810
Image
104
4766958
Script
62
3990581
Stylesheet
18
347614
Document
11
244957
Font
6
75474
Other
28
37226
Media
0
0
Third-party
179
5820412
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Des empires sous la terre - Mohamad Amer Meziane
Avoid large layout shifts — 4 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Embed View on Twitter
0.076666666666667
NOUVEAUTÉS PLUS DE NOUVEAUTÉS [Tweet du jour] POUR EN SAVOIR PLUS [Extrait]…
0.014792590130024
La Découverte Live
0.0063225193278385
Tweets de @Ed_LaDecouverte
0.00062389517176751
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 20 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
10905
141
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
10765
140
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
10472
125
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
9662
112
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
4949
103
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10344
100
https://platform.twitter.com/embed/embed.runtime.abff6a82314c4833181a.js
3253
93
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10117
88
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10205
87
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
10597
83
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
9774
78
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
9927
77
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
9852
75
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
10680
71
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10057
60
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
5290
60
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
1430
58
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
3346
57
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10004
53
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
10292
52
Avoid non-composited animations — 1 animated element found
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Element Name
input

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://editionsladecouverte.fr/
http/1.1
0
1998.8140000496
325
0
301
text/html
https://editionsladecouverte.fr/
http/1.1
1999.3160000304
2557.8809999861
324
0
301
text/html
https://www.editionsladecouverte.fr/
http/1.1
2558.3959999494
3564.0490000369
17742
76729
200
text/html
Document
https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap
h2
3579.8169999616
3598.2340000337
1364
7273
200
text/css
Stylesheet
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css
h2
3579.9859999679
3585.3069999721
9143
36536
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/styles.css
http/1.1
3580.1709999796
4314.8819999769
4737
19161
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/responsive.css
http/1.1
3580.3610000294
4308.3979999647
1480
4018
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/jquery.autocomplete.css
http/1.1
3580.5620000465
4179.3840000173
665
725
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/twitter_bas.css
http/1.1
3580.8729999699
4313.0939999828
1807
5744
200
text/css
Stylesheet
https://fonts.googleapis.com/css?family=Crimson+Text
h2
3581.0999999521
3598.7949999981
1058
387
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/img/rs_facebook.png
http/1.1
3586.147999973
4274.0409999387
1122
846
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_twitter.png
http/1.1
3586.3240000326
4313.3740000194
1194
918
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_instagram.png
http/1.1
3586.4669999573
4264.9979999987
1336
1059
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_youtube.png
http/1.1
3586.6239999887
4301.3379999902
1152
876
200
image/png
Image
https://www.editionsladecouverte.fr/img/logo_editionladecouverte.png
http/1.1
3586.8779999437
4270.0790000381
5489
5211
200
image/png
Image
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
http/1.1
3587.034999975
4694.4079999812
412627
412345
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
http/1.1
3587.273000041
4771.4380000252
356121
355839
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
http/1.1
3587.4240000267
4896.2789999787
456056
455774
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
http/1.1
3587.8220000304
5080.4609999759
332686
332404
200
image/jpeg
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
http/1.1
3587.9979999736
4626.3239999535
27049
26621
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
http/1.1
3588.3029999677
4545.242000022
34337
33909
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348054600.gif
http/1.1
3588.5220000055
4535.2389999898
21851
21423
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348068737.gif
http/1.1
3588.6940000346
4624.9550000066
35446
35018
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348042690.gif
http/1.1
3588.843000005
4617.4820000306
30451
30023
200
image/gif
Image
https://platform.twitter.com/widgets.js
http/1.1
3589.1749999719
3650.8769999491
29309
97358
200
application/javascript
Script
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
http/1.1
3589.3579999683
4911.7779999506
387100
386818
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
http/1.1
3589.537999942
5006.5770000219
631038
630756
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
http/1.1
3589.6880000364
4428.6119999597
77377
77096
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
http/1.1
3589.8880000459
4431.2210000353
88702
88421
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
http/1.1
3590.0380000239
4584.4440000365
152484
152202
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
http/1.1
3590.2670000214
4654.6620000154
265495
265214
200
image/png
Image
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
http/1.1
3590.4230000451
4547.2389999777
93093
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200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
http/1.1
3590.8219999401
4069.2010000348
71377
71097
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
http/1.1
3590.9909999464
4375.4810000537
44239
43960
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_1.png
http/1.1
3591.2069999613
4221.26999998
2207
1930
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_2.png
http/1.1
3591.3830000209
4174.0599999903
2562
2285
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_3.png
http/1.1
3591.5279999608
4294.7230000282
4148
3871
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_4.png
http/1.1
3591.7129999725
4264.6620000014
2222
1945
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_5.png
http/1.1
3591.9460000005
4302.7670000447
3509
3232
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_facebook.png
http/1.1
3592.1899999958
4156.7939999513
1122
846
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_twitter.png
http/1.1
3592.9620000534
4193.3699999936
1194
918
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_instagram.png
http/1.1
3593.6359999469
4302.4280000245
1336
1059
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_youtube.png
http/1.1
3595.1160000404
4280.3690000437
1152
876
200
image/png
Image
https://sdk.privacy-center.org/5ca86d3c-ab13-4968-8397-f8df0a36726c/loader.js?target=www.editionsladecouverte.fr
h2
3595.5550000072
3618.7530000461
3488
8476
200
application/javascript
Script
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
h2
3596.436999971
3604.5069999527
31643
88145
200
text/javascript
Script
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
h2
3597.3669999512
3632.9609999666
8096
21257
200
application/javascript
Script
https://www.editionsladecouverte.fr//includes/scripts/bootstrap/js/bootstrap.min.js
http/1.1
3597.4899999565
4279.4020000147
10263
37330
200
application/javascript
Script
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
h2
3597.620000015
3607.7619999414
254513
253668
200
text/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jssor/js/jssor.slider-21.1.6.mini.js
http/1.1
3597.7349999594
4268.3650000254
18874
45402
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jquery.autocomplete.js
http/1.1
3597.827999969
4243.8649999676
5805
26094
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/languages/jquery.validationEngine-fr.js
http/1.1
3597.9240000015
4243.3919999748
2293
9231
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/jquery.validationEngine.js
http/1.1
3598.095000023
4304.0379999438
18329
76062
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/functions.js
http/1.1
3598.7109999405
4247.3379999865
997
1728
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jssor/img/loading.gif
http/1.1
3610.7520000078
4310.9610000392
5043
4765
200
image/gif
Image
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
h2
3622.0520000206
3656.5669999691
84763
377296
200
application/javascript
Script
https://api.privacy-center.org/v1/locations/current?fields[]=country_code&fields[]=region_code
h2
3901.0080000153
4036.3689999795
709
40
200
application/json
XHR
https://api.privacy-center.org/v1/locations/current?fields[]=country_code&fields[]=region_code
h2
3746.1559999501
3900.554999942
478
0
204
Preflight
https://v.calameo.com/?bkcode=000215022621b34ea6d70&mode=mini
http/1.1
4056.6460000118
4352.6360000251
1066
1438
200
text/html
Document
https://www.youtube.com/embed/SK0SwsduR_Q
h2
4062.1309999842
4140.3980000177
23771
55166
200
text/html
Document
https://www.youtube.com/embed/9iUfIxh6qT8
h2
4065.9019999439
4158.8970000157
23608
54939
200
text/html
Document
https://www.youtube.com/embed/j_VgZdZEZmw
h2
4068.7140000518
4137.0709999464
23465
54059
200
text/html
Document
https://www.youtube.com/embed/ltmOwlB7Y-0
h2
4069.9699999532
4143.2710000081
23703
55120
200
text/html
Document
https://www.youtube.com/embed/RyWTBD6uWos
h2
4070.4960000003
4133.9399999706
23666
54965
200
text/html
Document
https://www.youtube.com/s/player/7acefd5d/www-player-webp.css
h2
4174.5850000298
4210.6469999999
46426
331316
200
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10027.037999942
15749
45653
200
image/svg+xml
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
3572.058
6.929
3583.769
13.269
3604.984
13.415
3661.116
17.441
3691.373
58.313
4041.52
27.419
4141.667
6.232
4147.995
5.611
4153.709
5.328
4159.494
6.092
4171.72
6.156
4225.63
10.601
4236.27
10.771
4250.539
8.451
4264.382
18.69
4292.134
16.123
4310.275
16.796
4338.32
111.657
4453.631
77.841
4531.484
5.14
4536.793
75.491
4615.244
153.49
4768.829
7.944
4776.795
7.82
4787.242
106.588
4899.152
119.075
5028.294
87.896
5116.308
87.106
5217.755
104.168
5325.996
200.627
5532.441
56.428
5594.882
6.59
5611.146
60.441
5672.208
6.385
5688.025
6.489
5701.722
13.385
5724.794
14.079
5738.888
13.681
5752.583
10.511
5768.999
7.485
5779.513
10.441
5795.904
125.386
5924.163
6.191
5932.518
5.897
5945.745
6.369
5953.604
166.333
6125.257
142.218
6281.719
11.545
6298.979
11.642
6327.425
8.885
6336.777
139.966
6478.618
141.003
6628.539
40.238
6671.71
8.909
6683.529
5.486
6706.205
37.385
6744.922
6.824
6770.497
10.58
6838.826
11.957
6853.192
24.337
6878.137
6.612
6885.776
9.878
6932.584
6.882
7019.681
28.681
7054.137
93.037
7166.109
13.59
7180.734
53.998
7251.048
20.463
7278.182
11.089
7290.384
6.59
7306.374
10.622
7328.187
8.71
7347.129
9.743
7365.312
8.193
7377.007
8.732
7385.948
7.664
7402.72
16.198
7418.933
7.625
7429.963
5.661
7438.511
7.9
7518.851
56.966
7576.2
8.695
7584.912
9.406
7594.328
6.445
7602.798
23.652
7628.339
9.499
7660.182
13.188
7676.237
25.295
7713.911
5.028
7728.124
5.849
7747.777
64.611
7820.305
6.965
7928.229
8.097
8601.248
14.569
8616.424
11.525
8628.549
13.492
8645.42
13.453
8659.519
14.934
8676.483
22.401
8757.554
82.476
8845.651
20.365
8970.35
205.26
9179.841
8.04
9613.557
10.318
9633.858
10.182
9654.271
9.326
10032.197
5.423
10038.392
5.493
10044.133
5.467
10051.343
6.432
10058.061
5.405
10063.479
5.611
10081.01
5.87
10087.3
5.35
10458.845
28.504
10490.412
7.876
10611.186
9.577
10630.533
9.193
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

Total Blocking Time — 350 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

Max Potential First Input Delay — 140 ms
Users could experience a delay when interacting with the page.

Opportunities

Eliminate render-blocking resources — Potential savings of 160 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Editionsladecouverte.fr should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap
1364
230
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css
9143
270
https://www.editionsladecouverte.fr/includes/css/styles.css
4737
70
https://www.editionsladecouverte.fr/includes/css/responsive.css
1480
150
https://www.editionsladecouverte.fr/includes/css/jquery.autocomplete.css
665
150
https://www.editionsladecouverte.fr/includes/css/twitter_bas.css
1807
150
https://platform.twitter.com/widgets.js
29309
310
Defer offscreen images — Potential savings of 1,578 KiB
Time to Interactive can be slowed down by resources on the page. Editionsladecouverte.fr should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
455774
392748
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
412345
355324
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
332404
286438
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
265214
265214
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
152202
152202
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
92812
92812
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
71097
71097
Reduce unused CSS — Potential savings of 107 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Editionsladecouverte.fr should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/7acefd5d/www-player-webp.css
46425
44746
https://v.calameo.com/8254-000124/pinwheel/viewer/css/main.css
48970
43286
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap.css
21787
21787
Enable text compression — Potential savings of 181 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
253668
185627
Avoid multiple page redirects — Potential savings of 340 ms
Redirects can cause additional delays before the page can begin loading. Editionsladecouverte.fr should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://editionsladecouverte.fr/
190
https://editionsladecouverte.fr/
150
https://www.editionsladecouverte.fr/
0

Diagnostics

Reduce JavaScript execution time — 2.7 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
1111.561
840.83799999999
184.357
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
766.818
605.437
23.37
https://www.editionsladecouverte.fr/includes/scripts/jssor/js/jssor.slider-21.1.6.mini.js
490.967
163.148
1.02
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
400.884
327.493
5.619
Unattributable
383.69
18.774
0.153
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
195.684
167.795
8.248
https://www.editionsladecouverte.fr/
174.192
35.4
2.554
https://platform.twitter.com/widgets.js
156.863
105.781
12.259
https://platform.twitter.com/embed/embed.Tweet.24c669c1f9bff5021722.js
95.2
93.106
0.923
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
87.298
75.011
6.027
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
50.311
34.905
1.77

Metrics

First Contentful Paint — 4.3 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 8.0 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 8.0 s
The timing of the largest text or image that is painted.
Time to Interactive — 9.1 s
The time taken for the page to become fully interactive.

Other

First Meaningful Paint — 4.5 s
The time taken for the primary content of the page to be rendered.

Opportunities

Properly size images — Potential savings of 520 KiB
Images can slow down the page's load time. Editionsladecouverte.fr should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
386818
327165
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
152202
63957
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
265214
55742
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
43960
36583
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
92812
34139
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
71097
14939
Reduce unused JavaScript — Potential savings of 940 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498083
355669
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
254513
227302
https://platform.twitter.com/widgets/widget_iframe.06c6ee58c3810956b7509218508c7b56.html?origin=https%3A%2F%2Fwww.editionsladecouverte.fr
105777
102149
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/desktop/viewer-desktop.js
132555
80826
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
164096
54614
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
99128
41523
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
84763
38368
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
65573
34364
https://platform.twitter.com/embed/embed.vendors~ondemand.Card~ondemand.TimelineList~ondemand.TimelineProfile.63bb1cb588893e4a9783.js
39962
27612
Efficiently encode images — Potential savings of 1,630 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
630756
566903
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
455774
327821
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
412345
252491
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
332404
211593
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
355839
206031
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
386818
73605
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
88421
13327
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
77096
9830
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
152202
7706
Serve images in next-gen formats — Potential savings of 2,485 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
630756
582874
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
455774
390752
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
412345
320993
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
332404
270216
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
355839
267517
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
265214
199134
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
386818
124068
https://pbs.twimg.com/media/E33uAOOXwAApekx?format=png&name=360x360
121070
95902
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
152202
60962
https://www.editionsladecouverte.fr/img/a22C.png
56451
55321
https://www.editionsladecouverte.fr/img/img_1.png
50637
50053
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
88421
35815
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
77096
29386
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
92812
13804
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
71097
13457
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
43960
12828
https://pbs.twimg.com/card_img/1410858429762125825/xAYdvrrO?format=jpg&name=600x314
23807
11413
https://pbs.twimg.com/card_img/1410631724489396227/-LOSgx6_?format=jpg&name=600x314
24238
10182
Reduce initial server response time — Root document took 1,010 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://www.editionsladecouverte.fr/
1006.65

Diagnostics

Avoid enormous network payloads — Total size was 9,241 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
631038
https://p.calameoassets.com/210427101211-da0ca5b012f1572e709cfdcf443aac6c/p1.svgz
504288
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498085
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498085
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498085
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498083
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498083
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
456056
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
412627
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
387100
Serve static assets with an efficient cache policy — 66 resources found
Editionsladecouverte.fr can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
0
631038
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
0
456056
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
0
412627
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
0
387100
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
0
356121
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
0
332686
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
0
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https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
0
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https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
0
93093
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
0
88702
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
0
77377
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
0
71377
https://www.editionsladecouverte.fr/img/a22C.png
0
56729
https://www.editionsladecouverte.fr/img/img_1.png
0
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https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
0
44239
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348068737.gif
0
35446
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
0
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https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348042690.gif
0
30451
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
0
27049
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348054600.gif
0
21851
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap.css
0
21787
https://www.editionsladecouverte.fr/includes/scripts/jssor/js/jssor.slider-21.1.6.mini.js
0
18874
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/jquery.validationEngine.js
0
18329
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/fonts/glyphicons-halflings-regular.woff2
0
18281
https://www.editionsladecouverte.fr//includes/scripts/bootstrap/js/bootstrap.min.js
0
10263
https://www.editionsladecouverte.fr/includes/scripts/jquery.autocomplete.js
0
5805
https://www.editionsladecouverte.fr/img/logo_editionladecouverte.png
0
5489
https://www.editionsladecouverte.fr/includes/scripts/jssor/img/loading.gif
0
5043
https://www.editionsladecouverte.fr/includes/css/styles.css
0
4737
https://www.editionsladecouverte.fr//img/part_3.png
0
4148
https://www.editionsladecouverte.fr//img/part_5.png
0
3509
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap-theme.min.css
0
3190
https://www.editionsladecouverte.fr//img/part_2.png
0
2562
https://www.editionsladecouverte.fr/img/b05.png
0
2473
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/languages/jquery.validationEngine-fr.js
0
2293
https://www.editionsladecouverte.fr//img/part_4.png
0
2222
https://www.editionsladecouverte.fr//img/part_1.png
0
2207
https://www.editionsladecouverte.fr/includes/css/twitter_bas.css
0
1807
https://www.editionsladecouverte.fr/includes/css/responsive.css
0
1480
https://www.editionsladecouverte.fr//img/rs_instagram.png
0
1336
https://www.editionsladecouverte.fr/img/rs_instagram.png
0
1336
https://www.editionsladecouverte.fr//img/rs_twitter.png
0
1194
https://www.editionsladecouverte.fr/img/rs_twitter.png
0
1194
https://www.editionsladecouverte.fr//img/rs_youtube.png
0
1152
https://www.editionsladecouverte.fr/img/rs_youtube.png
0
1152
https://www.editionsladecouverte.fr//img/rs_facebook.png
0
1122
https://www.editionsladecouverte.fr/img/rs_facebook.png
0
1122
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/css/validationEngine.jquery.css
0
1107
https://www.editionsladecouverte.fr/includes/scripts/functions.js
0
997
https://www.editionsladecouverte.fr/includes/css/jquery.autocomplete.css
0
665
https://www.editionsladecouverte.fr/img/Twitter_logo_white.png
0
629
https://www.editionsladecouverte.fr/img/separation_1.png
0
463
https://static.doubleclick.net/instream/ad_status.js
900000
653
https://static.doubleclick.net/instream/ad_status.js
900000
653
https://static.doubleclick.net/instream/ad_status.js
900000
653
https://static.doubleclick.net/instream/ad_status.js
900000
653
https://static.doubleclick.net/instream/ad_status.js
900000
653
https://platform.twitter.com/widgets.js
1800000
29309
https://www.google-analytics.com/analytics.js
7200000
20313
https://sdk.privacy-center.org/5ca86d3c-ab13-4968-8397-f8df0a36726c/loader.js?target=www.editionsladecouverte.fr
7200000
3488
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/desktop/viewer-desktop.js
86400000
132555
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
86400000
99128
https://v.calameo.com/8254-000124/pinwheel/viewer/css/main.css
86400000
48970
https://v.calameo.com/8254-000124/pinwheel/viewer/locales/viewer/en-EN.js
86400000
2461
https://ton.twimg.com/tfw/css/syndication_bundle_v1_73385286cca9d2256f6bf3993470820d4827b058.css
604772000
7512
https://ton.twimg.com/tfw/css/syndication_bundle_v1_73385286cca9d2256f6bf3993470820d4827b058.css
604772000
7512
Minimize main-thread work — 4.5 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
2699.9410000001
Other
570.215
Style & Layout
361.279
Script Parsing & Compilation
339.197
Garbage Collection
181.132
Rendering
177.266
Parse HTML & CSS
172.603
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.8230000752956
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.9199999989942
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
13.641000026837
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.7820001123473
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
10.822999989614
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/fonts/glyphicons-halflings-regular.woff2
257.23999994807
Reduce the impact of third-party code — Third-party code blocked the main thread for 690 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
3230857
678.425
SHOW DETAILS
970991
14.137
SHOW DETAILS
295299
0
SHOW DETAILS
71136
0
SHOW DETAILS
59615
0
SHOW DETAILS
21593
0
SHOW DETAILS
10528
0
SHOW DETAILS
8096
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
3230857
678.425
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
Catalogue La Découverte Poche 2021
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
[Tweet du jour]
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
[ACTUALITÉ] Décrypter le mécanisme de l'emprise
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
[ACTUALITÉ] Changer de genre : une question de mobilité sociale
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
[ACTUALITÉ] L'impossible sionisme de gauche
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
[ACTUALITÉ] Aux origines des stéréotypes racistes
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
[ACTUALITÉ] Le combat des Noirs américains par-delà ses icônes
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
[ACTUALITÉ] La garantie d’emploi, une idée qui gagne du terrain
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
[NUMÉRIQUE] Nos revues de sciences humaines en ligne sur Cairn.info
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348068737.gif
Le Mouvement - Thomas C. Holt
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
Des empires sous la terre - Mohamad Amer Mezianz
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348042690.gif
Le peuple du Larzac - Philippe Artières
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
Le Brésil - Hérodote n° 181
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348054600.gif
Sex revolts - Simon Reynolds. Joy Press
https://www.editionsladecouverte.fr/img/logo_editionladecouverte.png
Edition la découverte
https://www.editionsladecouverte.fr//img/part_3.png
Collection repères
https://www.editionsladecouverte.fr//img/part_5.png
Les empêcheurs de penser en rond
https://www.editionsladecouverte.fr//img/part_2.png
Revue du crieur
https://www.editionsladecouverte.fr//img/part_4.png
Carré
https://www.editionsladecouverte.fr//img/part_1.png
Zones
https://www.editionsladecouverte.fr/img/rs_instagram.png
Instagram
https://www.editionsladecouverte.fr//img/rs_instagram.png
Instagram
https://www.editionsladecouverte.fr/img/rs_twitter.png
Twitter
https://www.editionsladecouverte.fr//img/rs_twitter.png
Twitter
https://www.editionsladecouverte.fr/img/rs_youtube.png
Youtube
https://www.editionsladecouverte.fr//img/rs_youtube.png
Youtube
https://www.editionsladecouverte.fr/img/rs_facebook.png
Facebook
https://www.editionsladecouverte.fr//img/rs_facebook.png
Facebook
93

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of editionsladecouverte.fr. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Editionsladecouverte.fr may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
Inscription newsletter
> recherche avancée
PLUS DE NOUVEAUTÉS
[Tweet du jour]
POUR EN SAVOIR PLUS
[Extrait] Corps noirs et médecins blancs
Catalogue La Découverte Poche 2021
POUR FEUILLETER LE CATALOGUE
[ACTUALITÉ] Le combat des Noirs américains par-delà ses icônes
Le Mouvement
Le Monde
POUR EN SAVOIR PLUS
[ACTUALITÉ] Serge Audier remporte le prix des Rencontres Philosophiques de Mona…
La cité écologique. Pour un éco-républicanisme
ici
POUR EN SAVOIR PLUS
[ACTUALITÉ] Aux origines des stéréotypes racistes
Corps noirs et médecins blancs
France Culture
POUR EN SAVOIR PLUS
[ACTUALITÉ] Un lieu d’invention collective
Le peuple du Larzac
L’Express
France Inter
POUR EN SAVOIR PLUS
[ACTUALITÉ] Une histoire écologique et raciale de la sécularisation
Des empires sous la terre
Hors-Série
POUR EN SAVOIR PLUS
[ACTUALITÉ] Changer de genre : une question de mobilité sociale
Transfuges de sexe
Télérama
L’Obs
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] Une nouvelle éthique de l'agir
Nouvelle figures de l’agir
Librairie Mollat
Les nouvelles figures de l’agir
POUR EN SAVOIR PLUS
[ACTUALITÉ] L’illusion de la croissance verte
La croissance verte contre la nature
France Culture
Le Media
Reporterre
POUR EN SAVOIR PLUS
[ACTUALITÉ] Décrypter le mécanisme de l'emprise
Je n’existais plus
Le Soir
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] L'impossible sionisme de gauche
L'échec d'une utopie. Une histoire des gauches en Israël
C ce soir
Le Monde Diplomatique
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] La garantie d’emploi, une idée qui gagne du terrain
La garantie d’emploi
Le Grand Continent
Libération
Contretemps
POUR EN SAVOIR PLUS
ici

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe

Internationalization and localization

`<html>` element does not have a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
Failing Elements
html

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
67

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that editionsladecouverte.fr should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.7
jQuery
3.4.1
jQuery UI
1.12.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/desktop/viewer-desktop.js
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/desktop/viewer-desktop.js.map
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js.map
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://editionsladecouverte.fr/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 7 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
2
Medium

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
100

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for editionsladecouverte.fr. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of editionsladecouverte.fr on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
36

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of editionsladecouverte.fr. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of editionsladecouverte.fr on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 62
Performance 16
Accessibility 92
Best Practices 60
SEO 98
Progressive Web App 42
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.editionsladecouverte.fr/
Updated: 3rd July, 2021

1.86 seconds
First Contentful Paint (FCP)
76%
14%
10%

0.02 seconds
First Input Delay (FID)
90%
7%
3%

Simulate loading on mobile
16

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for editionsladecouverte.fr. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Opportunities

Minify CSS — Potential savings of 3 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Editionsladecouverte.fr should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap.css
21787
3560
Minify JavaScript — Potential savings of 11 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Editionsladecouverte.fr should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/jquery.validationEngine.js
18329
8294
https://www.editionsladecouverte.fr/includes/scripts/jquery.autocomplete.js
5805
2561
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Editionsladecouverte.fr should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 42 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
16725
https://platform.twitter.com/embed/embed.vendors~ondemand.horizon-web.en-js.da67c80b15a261987832.js
7219
https://platform.twitter.com/embed/embed.vendors~ondemand.TimelineList~ondemand.TimelineProfile~ondemand.Tweet.22ed862f34c8c98fa79c.js
6950
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
6382
https://platform.twitter.com/embed/embed.vendors~ondemand.Card~ondemand.TimelineList~ondemand.TimelineProfile.63bb1cb588893e4a9783.js
5875
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
64
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
0

Diagnostics

Avoids an excessive DOM size — 562 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
562
Maximum DOM Depth
Actualité / Documents
15
Maximum Child Elements
body
19
Avoid chaining critical requests — 18 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Editionsladecouverte.fr should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
2555.109
mark_pe
Mark
2649.022
mark_pe
Mark
2729.646
mark_fs
Mark
2821.624
mark_qoes
Mark
2832.823
mark_fs
Mark
2961.924
mark_qoes
Mark
2973.563
mark_fs
Mark
3056.092
mark_qoes
Mark
3067.227
mark_pe
Mark
3218.601
mark_pe
Mark
3309.664
mark_fs
Mark
3479.364
mark_qoes
Mark
3492.275
mark_fs
Mark
3569.342
mark_qoes
Mark
3579.45
Keep request counts low and transfer sizes small — 213 requests • 9,462 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
213
9689214
Image
93
5124150
Script
63
3886162
Stylesheet
18
347575
Document
10
244484
Font
5
57400
Other
24
29443
Media
0
0
Third-party
167
6124946
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Le Brésil - Hérodote n° 181
Avoid large layout shifts — 1 element found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
form
8.5500929090712E-5
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 20 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
58577
510
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
57479
509
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
59087
493
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
55938
425
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
58109
424
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
54180
398
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
54578
362
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
56363
360
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
54940
323
https://platform.twitter.com/embed/embed.Tweet.24c669c1f9bff5021722.js
15824
321
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
57083
312
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
55263
309
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
6000
244
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
16281
234
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
17070
207
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
55750
188
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
55572
178
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
56723
178
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
56901
171
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/mobile/viewer-mobile.js
16145
136
Avoid non-composited animations — 1 animated element found
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Element Name
input

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://editionsladecouverte.fr/
http/1.1
0
187.17699998524
307
0
301
text/html
https://editionsladecouverte.fr/
http/1.1
187.6119999215
839.70999997109
324
0
301
text/html
https://www.editionsladecouverte.fr/
http/1.1
840.19100002479
1660.7129999902
17742
76729
200
text/html
Document
https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap
h2
1675.5079999566
1693.2510000188
1364
7273
200
text/css
Stylesheet
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css
h2
1675.7169999182
1680.2339999704
9143
36536
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/styles.css
http/1.1
1675.9409999941
2387.0159999933
4737
19161
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/responsive.css
http/1.1
1676.1539999861
2274.6189999161
1480
4018
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/jquery.autocomplete.css
http/1.1
1676.2709999457
2275.9979999391
665
725
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/includes/css/twitter_bas.css
http/1.1
1676.4650000259
2260.0699999603
1807
5744
200
text/css
Stylesheet
https://fonts.googleapis.com/css?family=Crimson+Text
h2
1676.7289999407
1693.5839999933
1058
387
200
text/css
Stylesheet
https://www.editionsladecouverte.fr/img/rs_facebook.png
http/1.1
1681.7189999856
2258.955999976
1122
846
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_twitter.png
http/1.1
1681.9569999352
2254.6259999508
1194
918
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_instagram.png
http/1.1
1682.0679999655
2268.0420000106
1336
1059
200
image/png
Image
https://www.editionsladecouverte.fr/img/rs_youtube.png
http/1.1
1682.2479999391
2284.1889999108
1152
876
200
image/png
Image
https://www.editionsladecouverte.fr/img/logo_editionladecouverte.png
http/1.1
1682.4189999606
2239.4659999991
5489
5211
200
image/png
Image
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
http/1.1
1682.5790000148
3272.6569999941
412627
412345
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
http/1.1
1682.8639999731
2763.1769999862
356121
355839
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
http/1.1
1683.1349999411
2899.0179999964
456056
455774
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
http/1.1
1683.3189999452
2796.8379999511
332686
332404
200
image/jpeg
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
http/1.1
1683.4640000015
2626.1960000265
27050
26621
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
http/1.1
1683.6109999567
2535.5719999643
34338
33909
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348054600.gif
http/1.1
1683.8109999662
2535.7920000097
21852
21423
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348068737.gif
http/1.1
1683.9469999541
2626.4129999327
35447
35018
200
image/gif
Image
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348042690.gif
http/1.1
1684.0639999136
2726.519000018
30451
30023
200
image/gif
Image
https://platform.twitter.com/widgets.js
http/1.1
1684.1899999417
1746.3310000021
29309
97358
200
application/javascript
Script
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
http/1.1
1684.2939999187
2988.153000013
387100
386818
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
http/1.1
1684.387999936
2896.0439999355
631038
630756
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
http/1.1
1684.4809999457
2560.8729999512
77377
77096
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
http/1.1
1684.5899999607
2527.1479999647
88702
88421
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
http/1.1
1684.6939999377
2674.481999944
152484
152202
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
http/1.1
1684.9640000146
2916.7949999683
265495
265214
200
image/png
Image
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
http/1.1
1685.1000000024
2570.7779999357
93093
92812
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
http/1.1
1685.2479999652
2509.0349999955
71378
71097
200
image/jpeg
Image
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
http/1.1
1685.3610000107
2424.1219999967
44239
43960
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_1.png
http/1.1
1685.4990000138
2293.5969999526
2207
1930
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_2.png
http/1.1
1685.6079999125
2234.3099999707
2562
2285
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_3.png
http/1.1
1685.7259999961
2269.4539999356
4148
3871
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_4.png
http/1.1
1685.8449999709
1965.3110000072
2221
1945
200
image/png
Image
https://www.editionsladecouverte.fr//img/part_5.png
http/1.1
1685.9629999381
2265.0949999224
3509
3232
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_facebook.png
http/1.1
1686.0709999455
2274.2859999416
1122
846
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_twitter.png
http/1.1
1686.1829999834
2293.837999925
1194
918
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_instagram.png
http/1.1
1686.2950000213
2242.9579999298
1336
1059
200
image/png
Image
https://www.editionsladecouverte.fr//img/rs_youtube.png
http/1.1
1688.2899999619
2275.2969999565
1152
876
200
image/png
Image
https://sdk.privacy-center.org/5ca86d3c-ab13-4968-8397-f8df0a36726c/loader.js?target=www.editionsladecouverte.fr
h2
1690.5159999151
1761.5729999961
3499
8476
200
application/javascript
Script
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
h2
1690.6689999159
1697.4400000181
88849
88145
200
text/javascript
Script
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
h2
1690.849000006
1719.0309999278
8096
21257
200
application/javascript
Script
https://www.editionsladecouverte.fr//includes/scripts/bootstrap/js/bootstrap.min.js
http/1.1
1690.9779999405
2369.2659999942
10263
37330
200
application/javascript
Script
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
h2
1691.8890000088
1700.8960000239
68818
253668
200
text/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jssor/js/jssor.slider-21.1.6.mini.js
http/1.1
1692.052999977
2357.3900000192
18874
45402
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jquery.autocomplete.js
http/1.1
1692.1759999823
2393.5559999663
5805
26094
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/languages/jquery.validationEngine-fr.js
http/1.1
1692.303000018
2245.3530000057
2293
9231
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jQuery-Validation-Engine-master/js/jquery.validationEngine.js
http/1.1
1692.4179999623
2394.2800000077
18329
76062
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/functions.js
http/1.1
1692.5199999241
2288.4159999667
997
1728
200
application/javascript
Script
https://www.editionsladecouverte.fr/includes/scripts/jssor/img/loading.gif
http/1.1
1706.5159999765
2234.804000007
5043
4765
200
image/gif
Image
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
h2
1770.2430000063
1792.800999945
84763
377296
200
application/javascript
Script
https://api.privacy-center.org/v1/locations/current?fields[]=country_code&fields[]=region_code
h2
1869.0829999978
1975.0210000202
478
0
204
Preflight
https://api.privacy-center.org/v1/locations/current?fields[]=country_code&fields[]=region_code
h2
1975.4909999901
2171.2190000108
709
40
200
application/json
XHR
https://v.calameo.com/?bkcode=000215022621b34ea6d70&mode=mini
http/1.1
2192.2649999615
2311.1129999161
1066
1438
200
text/html
Document
https://www.youtube.com/embed/SK0SwsduR_Q
h2
2196.5269999346
2262.0699999388
23884
56132
200
text/html
Document
https://www.youtube.com/embed/9iUfIxh6qT8
h2
2199.8870000243
2261.8229999207
23915
56118
200
text/html
Document
https://www.youtube.com/embed/j_VgZdZEZmw
h2
2203.7109999219
2271.1669999408
23178
53934
200
text/html
Document
https://www.youtube.com/embed/ltmOwlB7Y-0
h2
2204.4789999491
2292.4329999369
23539
55536
200
text/html
Document
https://www.youtube.com/embed/RyWTBD6uWos
h2
2204.9269999843
2284.5230000094
23765
55694
200
text/html
Document
https://www.youtube.com/s/player/7acefd5d/www-player.css
h2
2304.2760000098
2337.3290000018
46424
331316
200
text/css
Stylesheet
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
h2
2304.5019999845
2313.9039999805
65699
196678
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
h2
2304.765000008
2333.5919999518
498085
1739763
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/fetch-polyfill.vflset/fetch-polyfill.js
h2
2305.134999915
2308.4629999939
3585
8543
200
text/javascript
Script
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
h2
2307.3609999847
2309.8189999582
11506
10748
200
font/woff2
Font
https://www.youtube.com/s/player/7acefd5d/www-player.css
h2
2319.4179999409
2352.8170000063
46391
331316
200
text/css
Stylesheet
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
h2
2319.5820000255
2327.1729999688
65574
196678
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
h2
2319.8649999686
2350.3039999632
498083
1739763
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/fetch-polyfill.vflset/fetch-polyfill.js
h2
2320.1460000128
2323.2599999756
3459
8543
200
text/javascript
Script
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
h2
2322.0899999142
2324.3429999566
11506
10748
200
font/woff2
Font
https://www.youtube.com/s/player/7acefd5d/www-player.css
h2
2336.8029999547
2364.3129999982
46424
331316
200
text/css
Stylesheet
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
h2
2338.6399999727
2353.7409999408
65574
196678
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
h2
2338.8209999539
2375.2219999442
498085
1739763
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/fetch-polyfill.vflset/fetch-polyfill.js
h2
2338.963999995
2343.7129999511
3459
8543
200
text/javascript
Script
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
h2
2339.0999999829
2341.8579999125
11504
10748
200
font/woff2
Font
https://www.youtube.com/s/player/7acefd5d/www-player.css
h2
2354.5669999439
2387.8519999562
46424
331316
200
text/css
Stylesheet
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
h2
2355.3159999428
2362.5809999648
65574
196678
200
text/javascript
Script
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
h2
2355.4039999144
2384.327000007
498083
1739763
200
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https://pbs.twimg.com/profile_images/918511402993815554/BF_zzsWK_bigger.jpg
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4999.4889999507
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2946
2261
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https://pbs.twimg.com/profile_images/1331540572046286850/omJbouMh_bigger.jpg
h2
4999.7919999296
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5000.2930000192
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5000.5230000243
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5001.1449999874
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5001.3099999633
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https://pbs.twimg.com/profile_images/1337313013624352770/rehZ8O4U_bigger.jpg
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5001.6240000259
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https://pbs.twimg.com/media/E5S8fuaWYAM2T7P?format=jpg&name=small
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5001.9689999754
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https://pbs.twimg.com/media/E5SNObzWEAIkciT?format=jpg&name=small
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5002.1299999207
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https://pbs.twimg.com/media/E5RoiNUWUAEOeFs?format=jpg&name=small
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5002.3619999411
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https://pbs.twimg.com/media/E5OtTF_WUAIWeEg?format=jpg&name=small
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5002.6369999396
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5002.8939999174
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https://pbs.twimg.com/media/E5OPXLKWEAUor23?format=jpg&name=small
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5003.3180000028
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https://pbs.twimg.com/media/E5JAVWRXwAQbBjj?format=jpg&name=small
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5003.6279999185
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https://pbs.twimg.com/media/E5IMDKNWUAArBAG?format=jpg&name=small
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5003.9310000138
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36156
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https://pbs.twimg.com/media/E4ooQBNWEAEaCci?format=jpg&name=small
h2
5004.2200000025
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Image
https://pbs.twimg.com/media/E5HHOr6WYAcWJC8?format=jpg&name=small
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5004.4839999173
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https://pbs.twimg.com/media/E5HHPvtXMAEcXz5?format=jpg&name=small
h2
5004.7479999484
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23189
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https://ton.twimg.com/tfw/css/syndication_bundle_v1_73385286cca9d2256f6bf3993470820d4827b058.css
h2
5010.2359999437
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Stylesheet
https://ton.twimg.com/tfw/css/syndication_bundle_v1_73385286cca9d2256f6bf3993470820d4827b058.css
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5010.5109999422
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https://platform.twitter.com/embed/embed.vendors~ondemand.horizon-web.en-js.da67c80b15a261987832.js
http/1.1
5162.3709999258
5216.0649999278
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Script
https://platform.twitter.com/embed/embed.ondemand.i18n.en-js.b4b5f7fe932f900b7057.js
http/1.1
5172.7640000172
5228.5309999716
2081
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Script
https://www.google-analytics.com/analytics.js
h2
5252.4269999703
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20313
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Script
https://v.calameo.com/8254-000124/pinwheel/viewer/images/mobile/internal-assets.svg
http/1.1
5262.8519999562
5560.2599999402
14145
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image/svg+xml
XHR
https://platform.twitter.com/embed/embed.vendors~ondemand.TimelineList~ondemand.TimelineProfile~ondemand.Tweet.22ed862f34c8c98fa79c.js
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32496
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application/javascript
Script
https://platform.twitter.com/embed/embed.vendors~ondemand.Tweet.1ff8a181d909c06588bc.js
http/1.1
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6289
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application/javascript
Script
https://platform.twitter.com/embed/embed.ondemand.Tweet.f12d18c605bc02cedaf7.js
http/1.1
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5343.2119999779
15005
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Script
https://syndication.twitter.com/i/jot
http/1.1
5307.0059999591
5467.2109999228
735
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5312.5659999205
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2230
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Image
https://cdn.syndication.twimg.com/tweet?features=tfw_experiments_cookie_expiration%3A1209600%3Btfw_horizon_tweet_embed_9555%3Ahte%3Btfw_tweet_embed_clickability_12102%3Acontrol&id=1410873261064396804&lang=en
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5391.3639999228
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2380
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XHR
https://platform.twitter.com/embed/embed.vendors~ondemand.Card~ondemand.TimelineList~ondemand.TimelineProfile.63bb1cb588893e4a9783.js
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5502.862000023
39962
178916
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application/javascript
Script
https://platform.twitter.com/embed/embed.ondemand.Card.004e551143cc00ed5827.js
http/1.1
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5498.3030000003
1488
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application/javascript
Script
https://syndication.twitter.com/i/jot?l=%7B%22_category_%22%3A%22tfw_client_event%22%2C%22triggered_on%22%3A1625336836873%2C%22event_namespace%22%3A%7B%22client%22%3A%22tfw%22%2C%22page%22%3A%22tweet%22%2C%22action%22%3A%22results%22%2C%22section%22%3A%22main%22%7D%2C%22context%22%3A%22horizon%22%2C%22client_version%22%3A%2282e1070%3A1619632193066%22%2C%22dnt%22%3Afalse%2C%22widget_id%22%3A%22twitter-widget-0%22%2C%22widget_origin%22%3A%22https%3A%2F%2Fwww.editionsladecouverte.fr%2F%22%2C%22widget_frame%22%3A%22false%22%2C%22widget_partner%22%3A%22%22%2C%22widget_site_screen_name%22%3A%22%22%2C%22widget_site_user_id%22%3A%22%22%2C%22widget_creator_screen_name%22%3A%22%22%2C%22widget_creator_user_id%22%3A%22%22%2C%22widget_iframe_version%22%3A%228d0aa66%3A1625168834488%22%2C%22item_ids%22%3A%5B%221410873261064396804%22%5D%2C%22item_details%22%3A%7B%221410873261064396804%22%3A%7B%22item_type%22%3A0%7D%7D%7D
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Image
https://platform.twitter.com/jot.html
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Document
https://pbs.twimg.com/profile_images/817042499134980096/LTpqSDMM_x96.jpg
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1668.641
6.705
1679.788
12.073
1699.868
14.786
1756.836
16.038
1812.859
60.896
2176.795
27.91
2270.111
7.042
2277.768
6.33
2285.924
7.021
2298.333
6.854
2314.286
6.907
2330.408
6.373
2391.203
10.395
2406.612
8.291
2423.32
16.28
2439.907
7.753
2447.72
15.43
2465.218
14.799
2480.239
99.377
2580.449
90.396
2671.043
80.634
2757.42
154.436
2911.888
9.418
2921.339
8.006
2933.193
88.991
3028.034
94.21
3133.446
106.157
3240.425
90.045
3337.15
42.094
3381.393
5.127
3386.713
61.502
3451.724
89.155
3543.969
85.437
3640.225
51.865
3692.796
24.563
3730.044
6.931
3740.267
6.604
3753.696
5.521
3759.232
9.061
3770.282
13.102
3783.397
6.211
3792.174
5.006
3797.231
13.885
3811.132
5.67
3817.707
11.807
3829.531
5.596
3841.128
155.795
4002.747
27.134
4030.831
5.736
4038.38
6.755
4050.377
5.786
4058.517
127.166
4187.993
211.917
4405.272
10.082
4415.366
5.371
4420.753
11.351
4432.641
5.248
4446.357
127.49
4576.07
123.23
4704.707
8.923
4727.653
32.548
4762.883
7.254
4786.258
8.332
4857.164
9.125
4866.697
19.219
4901.861
28.343
4933.377
9.92
4944.158
6.207
4997.394
13.764
5054.368
22.735
5102.192
80.349
5199.873
68.182
5269.253
11.745
5283.976
6.836
5294.181
11.868
5309.555
22.389
5371.755
20.352
5412.087
58.508
5471.046
8.801
5484.444
5.118
5492.271
38.776
5532.598
6.802
5547.209
15.028
5563.064
23.713
5587.214
44
5631.25
10.173
5653.154
14.027
5667.252
6.413
5786.808
25.947
5815.548
9.38
5987.262
9.368
5997.161
9.122
6007.493
9.737
6987.027
9.319
6996.887
10.709
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Opportunities

Eliminate render-blocking resources — Potential savings of 450 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Editionsladecouverte.fr should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap
1364
780
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css
9143
930
https://www.editionsladecouverte.fr/includes/css/styles.css
4737
180
https://www.editionsladecouverte.fr/includes/css/responsive.css
1480
180
https://www.editionsladecouverte.fr/includes/css/jquery.autocomplete.css
665
180
https://www.editionsladecouverte.fr/includes/css/twitter_bas.css
1807
180
https://fonts.googleapis.com/css?family=Crimson+Text
1058
150
Properly size images — Potential savings of 28 KiB
Images can slow down the page's load time. Editionsladecouverte.fr should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
43960
29136
Enable text compression — Potential savings of 73 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
88145
57426
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/embed.js
25339
17558

Metrics

First Contentful Paint — 23.0 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 30.8 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 37.0 s
The timing of the largest text or image that is painted.
Time to Interactive — 46.6 s
The time taken for the page to become fully interactive.
Total Blocking Time — 2,580 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

Max Potential First Input Delay — 510 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 23.4 s
The time taken for the primary content of the page to be rendered.
First Contentful Paint (3G) — 50428 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Defer offscreen images — Potential savings of 2,978 KiB
Time to Interactive can be slowed down by resources on the page. Editionsladecouverte.fr should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
630756
630756
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
455774
455774
https://www.editionsladecouverte.fr/fichiers/slider/1-empires_sous_terre.jpg
412345
412345
https://www.editionsladecouverte.fr/fichiers/slider/sexe_revolts.jpg
355839
355839
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
332404
332404
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
265214
265214
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
152202
152202
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
92812
92812
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
88421
88421
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
77096
77096
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
71097
71097
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
43960
43960
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348068737.gif
35018
35018
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348042690.gif
30023
30023
https://www.editionsladecouverte.fr//img/part_3.png
3871
3871
https://www.editionsladecouverte.fr//img/part_2.png
2285
2285
Reduce unused CSS — Potential savings of 121 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Editionsladecouverte.fr should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://v.calameo.com/8254-000124/pinwheel/viewer/css/main.css
48970
45127
https://www.youtube.com/s/player/7acefd5d/www-player.css
46425
44710
https://www.editionsladecouverte.fr/includes/scripts/bootstrap/css/bootstrap.css
21787
21787
https://platform.twitter.com/css/timeline.32f7f89e2e680ebfe3f4cfefb27966ae.light.ltr.css
12667
12667
Reduce unused JavaScript — Potential savings of 828 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
498085
369259
https://platform.twitter.com/widgets/widget_iframe.06c6ee58c3810956b7509218508c7b56.html?origin=https%3A%2F%2Fwww.editionsladecouverte.fr
105777
102149
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/mobile/viewer-mobile.js
109871
73821
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
68818
61460
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
164096
54498
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
88849
44267
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
99128
42138
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
84763
38368
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39962
27618
Efficiently encode images — Potential savings of 1,630 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
630756
566903
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
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412345
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332404
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355839
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386818
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77096
9830
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152202
7706
Serve images in next-gen formats — Potential savings of 2,592 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
630756
582874
https://www.editionsladecouverte.fr/fichiers/slider/transfuge_sexe.jpg
455774
390752
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412345
320993
https://www.editionsladecouverte.fr/fichiers/slider/peuple_larzac.jpg
332404
270216
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355839
267517
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265214
199134
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168358
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386818
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152202
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50637
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77096
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42286
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32572
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24238
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94582
9568
Reduce initial server response time — Root document took 820 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://www.editionsladecouverte.fr/
821.518
Avoid multiple page redirects — Potential savings of 1,110 ms
Redirects can cause additional delays before the page can begin loading. Editionsladecouverte.fr should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://editionsladecouverte.fr/
630
https://editionsladecouverte.fr/
480
https://www.editionsladecouverte.fr/
0

Diagnostics

Avoid enormous network payloads — Total size was 9,462 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
631038
https://p.calameoassets.com/210427101211-da0ca5b012f1572e709cfdcf443aac6c/p1.svgz
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498085
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498085
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498085
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498083
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498083
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456056
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412627
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387100
Serve static assets with an efficient cache policy — 63 resources found
Editionsladecouverte.fr can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
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0
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0
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0
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0
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900000
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900000
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https://static.doubleclick.net/instream/ad_status.js
900000
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https://platform.twitter.com/widgets.js
1800000
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https://platform.twitter.com/widgets.js
1800000
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https://www.google-analytics.com/analytics.js
7200000
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86400000
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86400000
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86400000
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604776000
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604776000
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Reduce JavaScript execution time — 10.1 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.youtube.com/s/player/7acefd5d/player_ias.vflset/en_US/base.js
4583.452
3164.328
736.168
https://www.youtube.com/s/player/7acefd5d/www-embed-player.vflset/www-embed-player.js
2532.1
2172.104
92.988
Unattributable
1265.668
61.28
0.4
https://www.editionsladecouverte.fr/includes/scripts/jssor/js/jssor.slider-21.1.6.mini.js
708.94
319.656
3.736
https://platform.twitter.com/embed/embed.modules.b77b7cad63a09dd863a4.js
671.756
561.18
37.94
https://www.editionsladecouverte.fr/
669.616
223.42
10.792
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
667.872
542.54
19.232
https://platform.twitter.com/widgets.js
423.62
323.824
30.68
https://sdk.privacy-center.org/sdk.3297b1aee5f90422db908dd7ebf34ef1b6d4cdc6.js
361.896
314.4
23.656
https://platform.twitter.com/embed/embed.Tweet.24c669c1f9bff5021722.js
320.356
314.74
4.128
https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
256.512
224.936
6.156
https://www.youtube.com/s/player/7acefd5d/www-player.css
175.452
0
0
https://www.google.com/js/th/78f0cHg-mss9TBwkXBH5e0namqWixOmUHR8LetvkC9Q.js
170.82
82.984
11.784
https://www.youtube.com/embed/ltmOwlB7Y-0
169.952
59.788
14.432
https://www.youtube.com/embed/RyWTBD6uWos
164.912
61.576
14.144
https://platform.twitter.com/widgets/widget_iframe.06c6ee58c3810956b7509218508c7b56.html?origin=https%3A%2F%2Fwww.editionsladecouverte.fr
152.264
24.44
68.74
https://www.youtube.com/embed/9iUfIxh6qT8
148.404
64.404
13.996
https://www.youtube.com/embed/SK0SwsduR_Q
133.316
67
14.156
https://www.youtube.com/embed/j_VgZdZEZmw
130.288
63.82
13.916
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113.372
26.08
9.82
https://platform.twitter.com/embed/Tweet.html?dnt=false&embedId=twitter-widget-0&features=eyJ0ZndfZXhwZXJpbWVudHNfY29va2llX2V4cGlyYXRpb24iOnsiYnVja2V0IjoxMjA5NjAwLCJ2ZXJzaW9uIjpudWxsfSwidGZ3X2hvcml6b25fdHdlZXRfZW1iZWRfOTU1NSI6eyJidWNrZXQiOiJodGUiLCJ2ZXJzaW9uIjpudWxsfSwidGZ3X3R3ZWV0X2VtYmVkX2NsaWNrYWJpbGl0eV8xMjEwMiI6eyJidWNrZXQiOiJjb250cm9sIiwidmVyc2lvbiI6bnVsbH19&frame=false&hideCard=false&hideThread=false&id=1410873261064396804&lang=en&origin=https%3A%2F%2Fwww.editionsladecouverte.fr%2F&sessionId=432ab8f9b0bf0aac0b492de868f3c7603b61ece1&theme=light&widgetsVersion=82e1070%3A1619632193066&width=550px
94.108
4.768
4.232
https://www.google-analytics.com/analytics.js
89.556
68.36
5.396
https://platform.twitter.com/embed/embed.vendors~ondemand.TimelineList~ondemand.TimelineProfile~ondemand.Tweet.22ed862f34c8c98fa79c.js
81.192
69.32
8.144
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/mobile/viewer-mobile.js
73.256
21.324
30.788
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
67.492
51.908
15.376
https://platform.twitter.com/embed/embed.vendors~ondemand.Card~ondemand.TimelineList~ondemand.TimelineProfile.63bb1cb588893e4a9783.js
59.924
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13.272
https://v.calameo.com/?bkcode=000215022621b34ea6d70&mode=mini
57.2
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4.868
Minimize main-thread work — 14.8 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
9110.6720000002
Other
1911.096
Script Parsing & Compilation
1321.34
Style & Layout
823.732
Garbage Collection
756.16
Parse HTML & CSS
604.62
Rendering
234.14
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.4579999735579
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.2530000424013
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.7579999295995
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.6219999417663
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.5390000082552
Reduce the impact of third-party code — Third-party code blocked the main thread for 5,170 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
3249016
4615.652
SHOW DETAILS
1519883
516.228
SHOW DETAILS
20313
17.676
SHOW DETAILS
70323
14.94
SHOW DETAILS
166810
1.612
SHOW DETAILS
59822
0
SHOW DETAILS
9816
0
SHOW DETAILS
8096
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
3249016
4615.652
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://www.editionsladecouverte.fr/fichiers/articles/couvpoche2021_plat1_page_1.jpg
Catalogue La Découverte Poche 2021
https://www.editionsladecouverte.fr/fichiers/articles/9782348045011.jpg
[Tweet du jour]
https://www.editionsladecouverte.fr/fichiers/articles/le_soir_jamoulle_.png
[ACTUALITÉ] Décrypter le mécanisme de l'emprise
https://www.editionsladecouverte.fr/fichiers/articles/img_3005.jpg
[ACTUALITÉ] Changer de genre : une question de mobilité sociale
https://www.editionsladecouverte.fr/fichiers/articles/170969351_10158196925231485_8168227599006202669_n.jpg
[ACTUALITÉ] L'impossible sionisme de gauche
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348045011.jpg
[ACTUALITÉ] Aux origines des stéréotypes racistes
https://www.editionsladecouverte.fr/fichiers/articles/1-9782348068737.jpg
[ACTUALITÉ] Le combat des Noirs américains par-delà ses icônes
https://www.editionsladecouverte.fr/fichiers/articles/libe_tcherneva.jpg
[ACTUALITÉ] La garantie d’emploi, une idée qui gagne du terrain
https://www.editionsladecouverte.fr/fichiers/articles/logo_cairn.png
[NUMÉRIQUE] Nos revues de sciences humaines en ligne sur Cairn.info
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
Des empires sous la terre - Mohamad Amer Mezianz
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
Le Brésil - Hérodote n° 181
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348054600.gif
Sex revolts - Simon Reynolds. Joy Press
https://www.editionsladecouverte.fr/img/logo_editionladecouverte.png
Edition la découverte
https://www.editionsladecouverte.fr//img/rs_instagram.png
Instagram
https://www.editionsladecouverte.fr//img/rs_twitter.png
Twitter
https://www.editionsladecouverte.fr//img/rs_youtube.png
Youtube
https://www.editionsladecouverte.fr//img/rs_facebook.png
Facebook
92

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of editionsladecouverte.fr. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Editionsladecouverte.fr may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
PLUS DE NOUVEAUTÉS
[Tweet du jour]
POUR EN SAVOIR PLUS
[Extrait] Corps noirs et médecins blancs
Catalogue La Découverte Poche 2021
POUR FEUILLETER LE CATALOGUE
[ACTUALITÉ] Le combat des Noirs américains par-delà ses icônes
Le Mouvement
Le Monde
POUR EN SAVOIR PLUS
[ACTUALITÉ] Serge Audier remporte le prix des Rencontres Philosophiques de Mona…
La cité écologique. Pour un éco-républicanisme
ici
POUR EN SAVOIR PLUS
[ACTUALITÉ] Aux origines des stéréotypes racistes
Corps noirs et médecins blancs
France Culture
POUR EN SAVOIR PLUS
[ACTUALITÉ] Un lieu d’invention collective
Le peuple du Larzac
L’Express
France Inter
POUR EN SAVOIR PLUS
[ACTUALITÉ] Une histoire écologique et raciale de la sécularisation
Des empires sous la terre
Hors-Série
POUR EN SAVOIR PLUS
[ACTUALITÉ] Changer de genre : une question de mobilité sociale
Transfuges de sexe
Télérama
L’Obs
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] Une nouvelle éthique de l'agir
Nouvelle figures de l’agir
Librairie Mollat
Les nouvelles figures de l’agir
POUR EN SAVOIR PLUS
[ACTUALITÉ] L’illusion de la croissance verte
La croissance verte contre la nature
France Culture
Le Media
Reporterre
POUR EN SAVOIR PLUS
[ACTUALITÉ] Décrypter le mécanisme de l'emprise
Je n’existais plus
Le Soir
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] L'impossible sionisme de gauche
L'échec d'une utopie. Une histoire des gauches en Israël
C ce soir
Le Monde Diplomatique
Libération
POUR EN SAVOIR PLUS
[ACTUALITÉ] La garantie d’emploi, une idée qui gagne du terrain
La garantie d’emploi
Le Grand Continent
Libération
Contretemps
POUR EN SAVOIR PLUS
ici

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe

Internationalization and localization

`<html>` element does not have a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
Failing Elements
html

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
60

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that editionsladecouverte.fr should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.7
jQuery
3.4.1
jQuery UI
1.12.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/mobile/viewer-mobile.js
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/modules/mobile/viewer-mobile.js.map
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js
https://v.calameo.com/8254-000124/pinwheel/viewer/scripts/loader.js.map
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js
https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://editionsladecouverte.fr/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 7 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
2
Medium

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348069147.gif
213 x 250
213 x 250
426 x 500
https://extranet.editis.com/it-yonixweb/IMAGES/DEC/P2/9782348040467.gif
153 x 250
153 x 250
306 x 500

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
98

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for editionsladecouverte.fr. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of editionsladecouverte.fr on mobile screens.
Document uses legible font sizes — 100% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
sub, sup
0.00%
11.25px
SHOW DETAILS
100.00%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Tap targets are not sized appropriately — 80% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
La maison
330x21
Nous contacter
Nous contacter
330x21
Déposer un manuscrit
Déposer un manuscrit
330x21
Plan du site
Plan du site
330x21
Mentions légales
Mentions légales
330x21
Conditions générales d'utilisation
Conditions générales d'utilisation
330x21
Préférences des cookies
Zones
330x21
Revue du crieur
Revue du crieur
330x21
Collection Repères
Collection Repères
330x21
Dominique Carré
Dominique Carré
330x21
Les Empêcheurs

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
42

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of editionsladecouverte.fr. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of editionsladecouverte.fr on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 185.151.213.35
Continent: Europe
Country: France
France Flag
Region: Centre-Val de Loire
City: Saint-Amand-Montrond
Longitude: 2.5167
Latitude: 46.7167
Currencies: EUR
Languages: French

Web Hosting Provider

Name IP Address
ALIASYS-HOSTING
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness: 79/100
WOT Child Safety: 95/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Technical

DNS Lookup

A Records

Host IP Address Class TTL
editionsladecouverte.fr. 185.151.213.35 IN 299

NS Records

Host Nameserver Class TTL
editionsladecouverte.fr. dns2.namebay.com. IN 299
editionsladecouverte.fr. dns1.namebay.com. IN 299

MX Records

Priority Host Server Class TTL
20 editionsladecouverte.fr. ns2.net-cube.net. IN 299
10 editionsladecouverte.fr. mail.editionsladecouverte.fr. IN 299

SOA Records

Domain Name Primary NS Responsible Email TTL
editionsladecouverte.fr. dns1.namebay.com. admin.validname.com. 299

HTTP Response Headers

Whois Lookup

Created: 3rd April, 2000
Changed: 24th June, 2021
Expires:
Registrar: NAMEBAY
Status:
Nameservers: dns1.namebay.com
dns2.namebay.com
Owner Country: FR
Owner Phone: +33 1 44 08 84 00
Owner Email: dom@vip.fr
Admin Country: FR
Admin Phone: +33.144160500
Admin Email: dns_admin@sogedif.fr
Tech Country: MC
Tech Phone: +377 97706164
Tech Fax: +377 97972113
Tech Email: techafnic@namebay.com
Full Whois: %%
%% This is the AFNIC Whois server.
%%
%% complete date format : YYYY-MM-DDThh:mm:ssZ
%% short date format : DD/MM
%% version : FRNIC-2.5
%%
%% Rights restricted by copyright.
%% See https://www.afnic.fr/en/products-and-services/services/whois/whois-special-notice/
%%
%% Use '-h' option to obtain more information about this service.
%%
%% [67.205.137.127 REQUEST] >> editionsladecouverte.fr
%%
%% RL Net [##########] - RL IP [#########.]
%%

domain: editionsladecouverte.fr
status: ACTIVE
hold: NO
holder-c: ELD32-FRNIC
admin-c: JM467-FRNIC
tech-c: HN20-FRNIC
zone-c: NFC1-FRNIC
nsl-id: NSL2731-FRNIC
registrar: NAMEBAY
Expiry Date: 2022-07-10T11:32:39Z
created: 2000-04-03T22:00:00Z
last-update: 2021-06-24T23:11:44Z
source: FRNIC

ns-list: NSL2731-FRNIC
nserver: dns1.namebay.com
nserver: dns2.namebay.com
source: FRNIC

registrar: NAMEBAY
type: Isp Option 1
address: 27 Boulevard des Moulins
address: 98000 MONACO
country: MC
phone: +377 97 70 61 64
fax-no: +377 97 97 21 13
e-mail: contact@namebay.com
website: https://www.namebay.com/tarif/tarif.aspx
anonymous: NO
registered: 2001-09-18T12:00:00Z
source: FRNIC

nic-hdl: ELD32-FRNIC
type: ORGANIZATION
contact: EDITIONS LA DECOUVERTE
address: 9bis, rue Abel-Hovelacque
address: 75013 Paris
country: FR
phone: +33 1 44 08 84 00
e-mail: dom@vip.fr
registrar: NAMEBAY
changed: 2008-10-09T17:15:20Z whoismaster@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: ok
eligdate: 2000-04-03T22:00:00Z
reachstatus: not identified
source: FRNIC

nic-hdl: JM467-FRNIC
type: ORGANIZATION
contact: Jean-Michel,PERCHET
address: LA DECOUVERTE
address: 9 bis rue Abel Hovelacque
address: 75013 PARIS
country: FR
phone: +33.144160500
e-mail: dns_admin@sogedif.fr
registrar: NAMEBAY
changed: 2018-09-21T11:18:34Z nic@nic.fr
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC

nic-hdl: HN20-FRNIC
type: ROLE
contact: Hostmaster Namebay
address: Namebay
address: Namebay SAM
address: 30 bld Princesse Charlotte
address: 98000 Monaco
country: MC
phone: +377 97706164
fax-no: +377 97972113
e-mail: techafnic@namebay.com
trouble: http://www.namebay.com
trouble: Support : contact@namebay.com
trouble: Spam : abuse@namebay.com
admin-c: CV97-FRNIC
tech-c: FH448-FRNIC
tech-c: BF81-FRNIC
notify: techafnic@namebay.com
registrar: NAMEBAY
changed: 2001-09-27T22:00:00Z techafnic@namebay.com
anonymous: NO
obsoleted: NO
eligstatus: not identified
reachstatus: not identified
source: FRNIC
View Raw Whois

Nameservers

Name IP Address
dns1.namebay.com 185.65.56.220
dns2.namebay.com 62.141.38.216
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