Tools & Wizards About Us
cognition.ens.fr screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

cognition.ens.fr

Homepage : DEC Département d'études cognitives

Page Load Speed

4 sec in total

First Response

245 ms

Resources Loaded

3.3 sec

Page Rendered

389 ms

cognition.ens.fr screenshot

About Website

Visit cognition.ens.fr now to see the best up-to-date Cognition Ens content for France and also check out these interesting facts you probably never knew about cognition.ens.fr

Les sciences cognitives s'intéressent aux grandes fonctions mentales comme la perception, la mémoire, le raisonnement, le langage, les émotions, la motricité, la prise de décision.

Visit cognition.ens.fr

Key Findings

We analyzed Cognition.ens.fr page load time and found that the first response time was 245 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cognition.ens.fr performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.0 s

0/100

25%

SI (Speed Index)

Value20.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

Network Requests Diagram

cognition.ens.fr

245 ms

en

82 ms

en

176 ms

ajax-progress.module.css

155 ms

align.module.css

236 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 79% of them (111 requests) were addressed to the original Cognition.ens.fr, 13% (18 requests) were made to Use.typekit.net and 4% (5 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cognition.ens.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.3 kB (15%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cognition.ens.fr main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 68.2 kB

  • Original 82.3 kB
  • After minification 78.0 kB
  • After compression 14.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 68.2 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 114.7 kB

  • Original 1.1 MB
  • After minification 1.0 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Cognition Ens images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 51.6 kB

  • Original 341.3 kB
  • After minification 341.2 kB
  • After compression 289.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 51.6 kB or 15% of the original size.

CSS Optimization

-9%

Potential reduce by 9.7 kB

  • Original 109.7 kB
  • After minification 108.2 kB
  • After compression 100.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Cognition.ens.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 96 (81%)

Requests Now

119

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cognition Ens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 73 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cognition.ens.fr

cognition.ens.fr

245 ms

en

en

82 ms

en

en

176 ms

ajax-progress.module.css

ajax-progress.module.css

155 ms

align.module.css

align.module.css

236 ms

autocomplete-loading.module.css

autocomplete-loading.module.css

243 ms

fieldgroup.module.css

fieldgroup.module.css

242 ms

container-inline.module.css

container-inline.module.css

242 ms

clearfix.module.css

clearfix.module.css

243 ms

details.module.css

details.module.css

244 ms

hidden.module.css

hidden.module.css

314 ms

item-list.module.css

item-list.module.css

320 ms

js.module.css

js.module.css

321 ms

nowrap.module.css

nowrap.module.css

321 ms

position-container.module.css

position-container.module.css

321 ms

progress.module.css

progress.module.css

323 ms

reset-appearance.module.css

reset-appearance.module.css

397 ms

resize.module.css

resize.module.css

398 ms

sticky-header.module.css

sticky-header.module.css

401 ms

system-status-counter.css

system-status-counter.css

399 ms

system-status-report-counters.css

system-status-report-counters.css

399 ms

system-status-report-general-info.css

system-status-report-general-info.css

401 ms

tabledrag.module.css

tabledrag.module.css

477 ms

tablesort.module.css

tablesort.module.css

477 ms

tree-child.module.css

tree-child.module.css

478 ms

cookiesjsr.min.css

cookiesjsr.min.css

480 ms

views.module.css

views.module.css

478 ms

addtoany.css

addtoany.css

480 ms

base.css

base.css

557 ms

layouts.css

layouts.css

559 ms

action-links.css

action-links.css

557 ms

collapse-processed.css

collapse-processed.css

558 ms

container-inline.css

container-inline.css

559 ms

details.css

details.css

560 ms

exposed-filters.css

exposed-filters.css

636 ms

field.css

field.css

635 ms

form.css

form.css

636 ms

icons.css

icons.css

636 ms

jrj0xnd.js

jrj0xnd.js

75 ms

widgets.js

widgets.js

32 ms

page.js

page.js

39 ms

inline-form.css

inline-form.css

575 ms

item-list.css

item-list.css

494 ms

link.css

link.css

492 ms

links.css

links.css

485 ms

menu.css

menu.css

488 ms

tabledrag.css

tabledrag.css

484 ms

tableselect.css

tableselect.css

486 ms

tablesort.css

tablesort.css

487 ms

textarea.css

textarea.css

491 ms

ui-dialog.css

ui-dialog.css

487 ms

messages.css

messages.css

487 ms

clearfix.css

clearfix.css

486 ms

visually-hidden.css

visually-hidden.css

485 ms

box.css

box.css

485 ms

comment.css

comment.css

492 ms

header.css

header.css

489 ms

hidden.css

hidden.css

485 ms

inline-links.css

inline-links.css

485 ms

inline-sibling.css

inline-sibling.css

486 ms

print-none.css

print-none.css

486 ms

responsive-video.css

responsive-video.css

487 ms

autocomplete.css

autocomplete.css

489 ms

collapsible-fieldset.css

collapsible-fieldset.css

488 ms

form-item.css

form-item.css

486 ms

form-table.css

form-table.css

484 ms

progress-bar.css

progress-bar.css

490 ms

progress-throbber.css

progress-throbber.css

488 ms

resizable-textarea.css

resizable-textarea.css

485 ms

table-drag.css

table-drag.css

484 ms

nav-menu.css

nav-menu.css

486 ms

navbar.css

navbar.css

487 ms

pager.css

pager.css

487 ms

footer.css

footer.css

489 ms

skip-link.css

skip-link.css

487 ms

jquery-ui.css

jquery-ui.css

487 ms

style.css

style.css

574 ms

dec-style.css

dec-style.css

485 ms

jquery.min.js

jquery.min.js

592 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

485 ms

drupal.js

drupal.js

486 ms

drupal.init.js

drupal.init.js

485 ms

addtoany.js

addtoany.js

485 ms

labo.js

labo.js

587 ms

jquery-ui.js

jquery-ui.js

949 ms

cookies_addtoany.js

cookies_addtoany.js

508 ms

debounce.js

debounce.js

508 ms

announce.js

announce.js

509 ms

message.js

message.js

566 ms

cookiesjsr.conf.js

cookiesjsr.conf.js

565 ms

cookiesjsr-preloader.min.js

cookiesjsr-preloader.min.js

491 ms

ZosOBZFt_tg

ZosOBZFt_tg

159 ms

fl-down-white.png

fl-down-white.png

142 ms

logo-ens.png

logo-ens.png

143 ms

logo-dec.png

logo-dec.png

228 ms

menu-hamburger.png

menu-hamburger.png

229 ms

menu-expanded.png

menu-expanded.png

229 ms

ico-search.png

ico-search.png

420 ms

ico-intranet.png

ico-intranet.png

418 ms

P1070760.JPG

P1070760.JPG

796 ms

ANR3.png

ANR3.png

792 ms

Capture%20d%E2%80%99%C3%A9cran%202024-06-27%20%C3%A0%2016.03.23.png

Capture%20d%E2%80%99%C3%A9cran%202024-06-27%20%C3%A0%2016.03.23.png

793 ms

LDS.png

LDS.png

792 ms

BABA.png

BABA.png

797 ms

Capture%20d%E2%80%99%C3%A9cran%202024-07-16%20%C3%A0%2010.15.19.png

Capture%20d%E2%80%99%C3%A9cran%202024-07-16%20%C3%A0%2010.15.19.png

799 ms

Capture%20d%E2%80%99%C3%A9cran%202024-07-16%20%C3%A0%2010.15.13.png

Capture%20d%E2%80%99%C3%A9cran%202024-07-16%20%C3%A0%2010.15.13.png

830 ms

DECLife_0.png

DECLife_0.png

797 ms

BUDDYP_0.png

BUDDYP_0.png

797 ms

DECNews.png

DECNews.png

829 ms

EXPESCIENCES%20copie.png

EXPESCIENCES%20copie.png

830 ms

Jaures.png

Jaures.png

1078 ms

FCOG.png

FCOG.png

830 ms

logo-ens.png

logo-ens.png

829 ms

logo-psl.png

logo-psl.png

1076 ms

ico-gps.png

ico-gps.png

1030 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

74 ms

wQkdmVX08K_HD_9NHn0QjGfgu04J0GwVvAmYELAxlpM.js

wQkdmVX08K_HD_9NHn0QjGfgu04J0GwVvAmYELAxlpM.js

362 ms

embed.js

embed.js

340 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

74 ms

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40 ms

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254 ms

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263 ms

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294 ms

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293 ms

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261 ms

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294 ms

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294 ms

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328 ms

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322 ms

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294 ms

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322 ms

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323 ms

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321 ms

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

210 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

211 ms

Create

Create

67 ms

Accessibility Review

cognition.ens.fr accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

cognition.ens.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

cognition.ens.fr SEO score

98

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cognition.ens.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cognition.ens.fr main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

cognition.ens.fr

Open Graph data is detected on the main page of Cognition Ens. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: