Tools & Wizards About Us
xyoos.fr screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

xyoos.fr

Xyoos - Cours d'informatique gratuits en ligne pour débutants et séniors

Page Load Speed

2.9 sec in total

First Response

274 ms

Resources Loaded

2.3 sec

Page Rendered

313 ms

xyoos.fr screenshot

About Website

Click here to check amazing Xyoos content. Otherwise, check out these important facts you probably never knew about xyoos.fr

Apprendre l'informatique gratuitement en ligne avec la méthode Xyoos. Des cours pour les débutants et les séniors pour que l'informatique soit facile.

Visit xyoos.fr

Key Findings

We analyzed Xyoos.fr page load time and found that the first response time was 274 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

xyoos.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value5,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

xyoos.fr

274 ms

cours-informatique-gratuit.fr

338 ms

main.css

169 ms

styles.css

169 ms

jquery.js

379 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Xyoos.fr, 66% (29 requests) were made to Cours-informatique-gratuit.fr and 16% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (557 ms) relates to the external source Cours-informatique-gratuit.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.6 kB (40%)

Content Size

56.7 kB

After Optimization

34.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Xyoos.fr main page is 56.7 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. 40% of websites need less resources to load. HTML takes 30.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 22.3 kB

  • Original 30.3 kB
  • After minification 28.4 kB
  • After compression 8.0 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 22.3 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 245 B

  • Original 5.4 kB
  • After minification 5.2 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. Xyoos images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

36

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xyoos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

xyoos.fr

xyoos.fr

274 ms

cours-informatique-gratuit.fr

cours-informatique-gratuit.fr

338 ms

main.css

main.css

169 ms

styles.css

styles.css

169 ms

jquery.js

jquery.js

379 ms

jquery-migrate.min.js

jquery-migrate.min.js

170 ms

modernizr-2.7.1.min.js

modernizr-2.7.1.min.js

257 ms

ogi4mst.js

ogi4mst.js

148 ms

jquery.form.min.js

jquery.form.min.js

186 ms

scripts.js

scripts.js

175 ms

jquery.inPageNav.js

jquery.inPageNav.js

175 ms

scrollReveal.js

scrollReveal.js

180 ms

script.js

script.js

260 ms

wp-embed.min.js

wp-embed.min.js

260 ms

cours-informatique-gratuit.fr

cours-informatique-gratuit.fr

194 ms

logo.svg

logo.svg

94 ms

menu.svg

menu.svg

87 ms

cours.svg

cours.svg

96 ms

dictionnaire.svg

dictionnaire.svg

89 ms

blog.svg

blog.svg

90 ms

forum.svg

forum.svg

97 ms

tutos.svg

tutos.svg

174 ms

home.svg

home.svg

262 ms

professeur.svg

professeur.svg

184 ms

libraire.svg

libraire.svg

179 ms

journaliste.svg

journaliste.svg

257 ms

map.svg

map.svg

285 ms

dysign-white.svg

dysign-white.svg

280 ms

confectionary.jpg

confectionary.jpg

251 ms

gloubi-eyeless.svg

gloubi-eyeless.svg

249 ms

eye.svg

eye.svg

307 ms

LigatureSymbols-2.11.ttf

LigatureSymbols-2.11.ttf

557 ms

sdk.js

sdk.js

282 ms

analytics.js

analytics.js

7 ms

KVSoBhzrCzhjzIizNeqz2Ck5az7a_Mahp7A59cHuNQtffHV3gsMdeMJ6Mk6f5Mb.woff

KVSoBhzrCzhjzIizNeqz2Ck5az7a_Mahp7A59cHuNQtffHV3gsMdeMJ6Mk6f5Mb.woff

50 ms

HtoYSVzeXRfn1VHNmwd0wQ_KH8H5OYRuB9zzbqrn0ejffH13gsMdeMJ6Mk6f5MS.woff

HtoYSVzeXRfn1VHNmwd0wQ_KH8H5OYRuB9zzbqrn0ejffH13gsMdeMJ6Mk6f5MS.woff

70 ms

Gga0cUGfqsW7oE-2RBnBsvBKU0NPA5V9EOrOT9DRDd6ffJd7ggMdeMJ6Mk6f5MS.woff

Gga0cUGfqsW7oE-2RBnBsvBKU0NPA5V9EOrOT9DRDd6ffJd7ggMdeMJ6Mk6f5MS.woff

111 ms

R7UTr_j6EKiw-8hCx-y9gZnF-8KVzEJd8Ea_yRdrgiCffHQ3gsMdeMJ6Mk6f5Mt.woff

R7UTr_j6EKiw-8hCx-y9gZnF-8KVzEJd8Ea_yRdrgiCffHQ3gsMdeMJ6Mk6f5Mt.woff

117 ms

3NlFWmbzGapCDT6wT1c-yClzS_f72QKyjZmCeruLmQSffHn3gsMdeMJ6Mk6f5gI.woff

3NlFWmbzGapCDT6wT1c-yClzS_f72QKyjZmCeruLmQSffHn3gsMdeMJ6Mk6f5gI.woff

117 ms

collect

collect

38 ms

p.gif

p.gif

165 ms

229 ms

xd_arbiter.php

xd_arbiter.php

223 ms

xd_arbiter.php

xd_arbiter.php

436 ms

Accessibility Review

xyoos.fr accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

Best Practices

xyoos.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

Page has valid source maps

SEO Factors

xyoos.fr SEO score

97

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xyoos.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 Xyoos.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

xyoos.fr

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