Tools & Wizards About Us
kosmos.fr screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kosmos.fr

Kosmos Éducation - Logiciels pour l'éducation, ENT, Applications sur mesure

Page Load Speed

3.6 sec in total

First Response

617 ms

Resources Loaded

2.8 sec

Page Rendered

181 ms

kosmos.fr screenshot

About Website

Welcome to kosmos.fr homepage info - get ready to check Kosmos best content for France right away, or after learning these important things about kosmos.fr

Kosmos accompagne les acteurs de l'éducation (enseignement primaire, secondaire, supérieur et formation professionnelle et continue) dans leur projet numérique.

Visit kosmos.fr

Key Findings

We analyzed Kosmos.fr page load time and found that the first response time was 617 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kosmos.fr performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

www.kosmos-education.com

617 ms

9fd492f30acf3639ff98aaba5f3a683fe3057509.css

196 ms

80c61e313e4d40f68602fccf5cdf75eb6c0043c0.css

287 ms

4ed0998aa2fc138d5a297d8650b8451baaee3efe.css

498 ms

ca8158abe99b8633115f04b80ed7ed964cd5d862.js

289 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kosmos.fr, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (791 ms) relates to the external source Kosmos-education.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.3 kB (60%)

Content Size

200.0 kB

After Optimization

79.7 kB

  • HTML
  • Images

In fact, the total size of Kosmos.fr main page is 200.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. HTML takes 110.6 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 99.5 kB

  • Original 110.6 kB
  • After minification 71.2 kB
  • After compression 11.1 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. This page needs HTML code to be minified as it can gain 39.4 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 99.5 kB or 90% of the original size.

Image Optimization

-23%

Potential reduce by 20.8 kB

  • Original 89.4 kB
  • After minification 68.6 kB

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. Obviously, Kosmos needs image optimization as it can save up to 20.8 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

34

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kosmos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.kosmos-education.com

www.kosmos-education.com

617 ms

9fd492f30acf3639ff98aaba5f3a683fe3057509.css

9fd492f30acf3639ff98aaba5f3a683fe3057509.css

196 ms

80c61e313e4d40f68602fccf5cdf75eb6c0043c0.css

80c61e313e4d40f68602fccf5cdf75eb6c0043c0.css

287 ms

4ed0998aa2fc138d5a297d8650b8451baaee3efe.css

4ed0998aa2fc138d5a297d8650b8451baaee3efe.css

498 ms

ca8158abe99b8633115f04b80ed7ed964cd5d862.js

ca8158abe99b8633115f04b80ed7ed964cd5d862.js

289 ms

configuration.js

configuration.js

204 ms

4bd4f683144d6803ac045a9ef81471c875979d49.js

4bd4f683144d6803ac045a9ef81471c875979d49.js

688 ms

242f54245c97851df07bf0db972225d7ea657215.js

242f54245c97851df07bf0db972225d7ea657215.js

286 ms

js

js

67 ms

Kosmos+logo+-+Vecto.svg

Kosmos+logo+-+Vecto.svg

192 ms

Kosmos+logo+-+Vecto.svg

Kosmos+logo+-+Vecto.svg

193 ms

general-icons.svg

general-icons.svg

99 ms

Kosmos+logo+blanc+-+Vecto+fond+transparent.svg

Kosmos+logo+blanc+-+Vecto+fond+transparent.svg

98 ms

social-icons.svg

social-icons.svg

98 ms

universite-libre-bruxelles_1638173886859-png

universite-libre-bruxelles_1638173886859-png

198 ms

lycee-francais-sofia_1638173996039-png

lycee-francais-sofia_1638173996039-png

197 ms

grand-est_1638174082592-png

grand-est_1638174082592-png

196 ms

haute-garonne_1638174116754-png

haute-garonne_1638174116754-png

292 ms

universite-de-nantes-v2_1655908691590-png

universite-de-nantes-v2_1655908691590-png

292 ms

cesi_1638174182081-png

cesi_1638174182081-png

293 ms

skolengo-logo-blanc_1613144823307-png

skolengo-logo-blanc_1613144823307-png

294 ms

kosmos-solutioning-logo-blanc_1613144901855-png

kosmos-solutioning-logo-blanc_1613144901855-png

294 ms

kosmos-next-logo-blanc_1572271826377-png

kosmos-next-logo-blanc_1572271826377-png

341 ms

70_1609250890803-png

70_1609250890803-png

387 ms

3600_1609250955144-png

3600_1609250955144-png

386 ms

5m_1609250981452-png

5m_1609250981452-png

389 ms

Kosmos+logo+blanc%401x.png

Kosmos+logo+blanc%401x.png

388 ms

000-next_1573810427677-png

000-next_1573810427677-png

389 ms

000-solutioning_1573810469782-png

000-solutioning_1573810469782-png

437 ms

000-skolengo_1573810800805-png

000-skolengo_1573810800805-png

483 ms

000-logo-edtech-membre-blanc-bandeau-site_1573810036089-png

000-logo-edtech-membre-blanc-bandeau-site_1573810036089-png

482 ms

picto-linkedin_1564147205139-png

picto-linkedin_1564147205139-png

484 ms

picto-youtube_1564147300203-png

picto-youtube_1564147300203-png

483 ms

logo-qualiopi-1-_1716380459840-png

logo-qualiopi-1-_1716380459840-png

485 ms

Montserrat-Light.woff

Montserrat-Light.woff

464 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

711 ms

Montserrat-Medium.woff

Montserrat-Medium.woff

697 ms

Montserrat-Bold.woff

Montserrat-Bold.woff

791 ms

open-sans-v17-latin-regular.woff

open-sans-v17-latin-regular.woff

603 ms

open-sans-v17-latin-300.woff

open-sans-v17-latin-300.woff

510 ms

open-sans-v17-latin-700.woff

open-sans-v17-latin-700.woff

559 ms

icomoon.ttf

icomoon.ttf

617 ms

dbd5cb7d43dd1d0b8d6e6fb96cdb31928278be26.css

dbd5cb7d43dd1d0b8d6e6fb96cdb31928278be26.css

102 ms

Accessibility Review

kosmos.fr accessibility score

83

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

kosmos.fr best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

kosmos.fr SEO score

100

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kosmos.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Kosmos.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

kosmos.fr

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