Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

coursinfo.fondation-os.fr

Cours informatique et ateliers numériques gratuits en ligne d'Orange Solidarité

Page Load Speed

7.4 sec in total

First Response

2 sec

Resources Loaded

5.1 sec

Page Rendered

215 ms

coursinfo.fondation-os.fr screenshot

About Website

Click here to check amazing Cours Info Fondation Os content. Otherwise, check out these important facts you probably never knew about coursinfo.fondation-os.fr

Cours informatique gratuit en ligne. Comprendre le monde numérique, comment utiliser un ordinateur, les ateliers numériques d'Orange Solidarité vous proposent d'acquérir sur ce site coursinf...

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Key Findings

We analyzed Coursinfo.fondation-os.fr page load time and found that the first response time was 2 sec and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

coursinfo.fondation-os.fr performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.205

60/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

coursinfo.fondation-os.fr

2037 ms

js

64 ms

mediaelementplayer-legacy.min.css

314 ms

wp-mediaelement.min.css

316 ms

wp_head.css

318 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 53% of them (20 requests) were addressed to the original Coursinfo.fondation-os.fr, 37% (14 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Coursinfo.fondation-os.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 692.2 kB (52%)

Content Size

1.3 MB

After Optimization

638.2 kB

In fact, the total size of Coursinfo.fondation-os.fr main page is 1.3 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. 50% of websites need less resources to load. Images take 572.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 185.5 kB

  • Original 222.6 kB
  • After minification 220.3 kB
  • After compression 37.1 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 185.5 kB or 83% of the original size.

Image Optimization

-19%

Potential reduce by 106.1 kB

  • Original 572.7 kB
  • After minification 466.6 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, Cours Info Fondation Os needs image optimization as it can save up to 106.1 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 285.7 kB

  • Original 400.3 kB
  • After minification 399.9 kB
  • After compression 114.6 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 285.7 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 114.8 kB

  • Original 134.7 kB
  • After minification 132.0 kB
  • After compression 19.9 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. Coursinfo.fondation-os.fr needs all CSS files to be minified and compressed as it can save up to 114.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (68%)

Requests Now

22

After Optimization

7

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cours Info Fondation Os. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

coursinfo.fondation-os.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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

coursinfo.fondation-os.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

coursinfo.fondation-os.fr SEO score

84

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursinfo.fondation-os.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 Coursinfo.fondation-os.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

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