Tools & Wizards About Us
cls.fr screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cls.fr

CLS: Collecte Localisation Satellites - Pour la Terre depuis l'Espace

Page Load Speed

11.6 sec in total

First Response

2.8 sec

Resources Loaded

8.3 sec

Page Rendered

451 ms

cls.fr screenshot

About Website

Click here to check amazing CLS content for Oman. Otherwise, check out these important facts you probably never knew about cls.fr

Entreprise mondiale, CLS imagine et déploie des solutions spatiales pour comprendre, protéger la Planète et gérer durablement ses ressources.

Visit cls.fr

Key Findings

We analyzed Cls.fr page load time and found that the first response time was 2.8 sec and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cls.fr performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value1.036

2/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

www.cls.fr

2846 ms

load.js

356 ms

a5ff7.css

106 ms

4c431.css

204 ms

849cf.css

425 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 63% of them (36 requests) were addressed to the original Cls.fr, 14% (8 requests) were made to Youtube.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Cls.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 487.9 kB (40%)

Content Size

1.2 MB

After Optimization

720.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cls.fr main page is 1.2 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 451.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 76.6 kB

  • Original 90.7 kB
  • After minification 90.6 kB
  • After compression 14.1 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. 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 76.6 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 451.2 kB
  • After minification 444.9 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. CLS images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 80.9 kB

  • Original 257.8 kB
  • After minification 257.7 kB
  • After compression 176.9 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 80.9 kB or 31% of the original size.

CSS Optimization

-79%

Potential reduce by 324.1 kB

  • Original 408.6 kB
  • After minification 408.4 kB
  • After compression 84.5 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. Cls.fr needs all CSS files to be minified and compressed as it can save up to 324.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (58%)

Requests Now

48

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CLS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 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.cls.fr

www.cls.fr

2846 ms

load.js

load.js

356 ms

a5ff7.css

a5ff7.css

106 ms

4c431.css

4c431.css

204 ms

849cf.css

849cf.css

425 ms

jquery.min.js

jquery.min.js

476 ms

jquery-migrate.min.js

jquery-migrate.min.js

291 ms

jquery-ui-1.10.3.custom.min-news.js

jquery-ui-1.10.3.custom.min-news.js

623 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

293 ms

jquery.flexslider.js

jquery.flexslider.js

304 ms

CMS_functions.js

CMS_functions.js

432 ms

jquery.mobile-events.min.js

jquery.mobile-events.min.js

433 ms

jquery.slicknav.min.js

jquery.slicknav.min.js

433 ms

jquery.common.js

jquery.common.js

498 ms

jquery.home.js

jquery.home.js

499 ms

videoloader-home.js

videoloader-home.js

498 ms

index.js

index.js

506 ms

index.js

index.js

591 ms

comment-reply.min.js

comment-reply.min.js

581 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

193 ms

gtm.js

gtm.js

128 ms

cls-logo@x2.png

cls-logo@x2.png

134 ms

bt-search-grd.png

bt-search-grd.png

161 ms

home-bloc-1-1.png

home-bloc-1-1.png

159 ms

earth-map-home.png

earth-map-home.png

228 ms

earth-lights-dots-video-thumb-1.jpg

earth-lights-dots-video-thumb-1.jpg

298 ms

bt-play-grd-circle.png

bt-play-grd-circle.png

130 ms

player_api

player_api

101 ms

pole-expertise.jpg

pole-expertise.jpg

270 ms

16-9-mask.png

16-9-mask.png

201 ms

banner-rse.jpg

banner-rse.jpg

205 ms

slider-mask.png

slider-mask.png

214 ms

bandeau-HR.jpg

bandeau-HR.jpg

708 ms

r7_18_surveillance-environnemetale-argos_thumbnail-1.jpg

r7_18_surveillance-environnemetale-argos_thumbnail-1.jpg

471 ms

franklin-gothic-urw-normal-400.woff

franklin-gothic-urw-normal-400.woff

306 ms

franklin-gothic-urw-normal-500.woff

franklin-gothic-urw-normal-500.woff

305 ms

franklin-gothic-urw-normal-700.woff

franklin-gothic-urw-normal-700.woff

737 ms

franklin-gothic-urw-cond-normal-500.woff

franklin-gothic-urw-cond-normal-500.woff

706 ms

franklin-gothic-urw-cond-normal-400.woff

franklin-gothic-urw-cond-normal-400.woff

706 ms

www-widgetapi.js

www-widgetapi.js

20 ms

insight.min.js

insight.min.js

76 ms

analytics.js

analytics.js

74 ms

collect

collect

17 ms

collect

collect

43 ms

zJ-oMlmHh-I

zJ-oMlmHh-I

107 ms

www-player.css

www-player.css

38 ms

www-embed-player.js

www-embed-player.js

109 ms

base.js

base.js

372 ms

fetch-polyfill.js

fetch-polyfill.js

370 ms

ad_status.js

ad_status.js

398 ms

9NsBbvP-L1Df-yHWGvBJgb6S-WRP1KsOTV1Pj0Mxhgc.js

9NsBbvP-L1Df-yHWGvBJgb6S-WRP1KsOTV1Pj0Mxhgc.js

253 ms

embed.js

embed.js

84 ms

id

id

86 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

75 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

76 ms

Create

Create

241 ms

27 ms

Accessibility Review

cls.fr accessibility score

88

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cls.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

SEO Factors

cls.fr SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Cls.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 Cls.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

cls.fr

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