Tools & Wizards About Us
jeulin.fr screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

jeulin.fr

Jeulin | Matériel scientifique pour l'enseignement

Page Load Speed

5 sec in total

First Response

249 ms

Resources Loaded

4.3 sec

Page Rendered

437 ms

jeulin.fr screenshot

About Website

Visit jeulin.fr now to see the best up-to-date Jeulin content for Morocco and also check out these interesting facts you probably never knew about jeulin.fr

Éditeur de solutions et fournisseur de matériel pédagogique au service de l'enseignement scientifique et technique.

Visit jeulin.fr

Key Findings

We analyzed Jeulin.fr page load time and found that the first response time was 249 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jeulin.fr performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

jeulin.fr

249 ms

www.jeulin.fr

671 ms

d155bd7615ef924b1c818b7d620311a0.css

328 ms

a1ac097182827f7b956c4b7f4e2a942a.js

650 ms

jeulin-script.js

82 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 91% of them (52 requests) were addressed to the original Jeulin.fr, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to En.jeulin.fr. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Jeulin.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (52%)

Content Size

2.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jeulin.fr main page is 2.2 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. 50% of websites need less resources to load. Images take 864.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 275.3 kB

  • Original 312.1 kB
  • After minification 289.6 kB
  • After compression 36.8 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 275.3 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 56.0 kB

  • Original 864.2 kB
  • After minification 808.2 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. Jeulin images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 547.8 kB

  • Original 736.5 kB
  • After minification 616.5 kB
  • After compression 188.7 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 547.8 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 268.9 kB

  • Original 312.8 kB
  • After minification 284.6 kB
  • After compression 43.9 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. Jeulin.fr needs all CSS files to be minified and compressed as it can save up to 268.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

47

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeulin. 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 as a result speed up the page load time.

Network Requests Diagram

jeulin.fr

jeulin.fr

249 ms

www.jeulin.fr

www.jeulin.fr

671 ms

d155bd7615ef924b1c818b7d620311a0.css

d155bd7615ef924b1c818b7d620311a0.css

328 ms

a1ac097182827f7b956c4b7f4e2a942a.js

a1ac097182827f7b956c4b7f4e2a942a.js

650 ms

jeulin-script.js

jeulin-script.js

82 ms

Earth.png

Earth.png

487 ms

molecules.png

molecules.png

168 ms

fond.png

fond.png

1637 ms

logo.png

logo.png

122 ms

712.GIF

712.GIF

169 ms

Bandeau_Savoir-Faire-Francais.png

Bandeau_Savoir-Faire-Francais.png

1355 ms

14537955631813909207.jpg

14537955631813909207.jpg

167 ms

14521570522068196603.jpg

14521570522068196603.jpg

168 ms

14521568211257486045.jpg

14521568211257486045.jpg

250 ms

14521573111665841890.jpg

14521573111665841890.jpg

246 ms

1452156531466755238.jpg

1452156531466755238.jpg

255 ms

1452162322920302717.jpg

1452162322920302717.jpg

251 ms

img_451480_v01.jpg

img_451480_v01.jpg

337 ms

img_481010.jpg

img_481010.jpg

327 ms

Jeulin_MiseEnAvant_Destockage.png

Jeulin_MiseEnAvant_Destockage.png

329 ms

img_243013.jpg

img_243013.jpg

333 ms

img_211017_v03.jpg

img_211017_v03.jpg

408 ms

img_571120_v02.jpg

img_571120_v02.jpg

412 ms

Jeulin_MiseEnAvant_Promotion.png

Jeulin_MiseEnAvant_Promotion.png

414 ms

img_117104.jpg

img_117104.jpg

421 ms

img_211054.jpg

img_211054.jpg

493 ms

Jeulin_MiseEnAvant_Nouveaute.png

Jeulin_MiseEnAvant_Nouveaute.png

492 ms

img_591106.jpg

img_591106.jpg

497 ms

img_702185.jpg

img_702185.jpg

502 ms

video-console-tooxy.jpg

video-console-tooxy.jpg

844 ms

video-effet-doppler.jpg

video-effet-doppler.jpg

1338 ms

video-irio.jpg

video-irio.jpg

579 ms

catalogues-jeulin2015.jpg

catalogues-jeulin2015.jpg

662 ms

carte.png

carte.png

659 ms

Picto-Modes-paiement.png

Picto-Modes-paiement.png

740 ms

Picto-Afaq.png

Picto-Afaq.png

744 ms

Picto-Fevad.png

Picto-Fevad.png

820 ms

nTel-Jeulin-Clients.png

nTel-Jeulin-Clients.png

824 ms

gtm.js

gtm.js

116 ms

fr.svg

fr.svg

899 ms

Roboto-Regular-webfont.woff

Roboto-Regular-webfont.woff

983 ms

Roboto-Medium-webfont.woff

Roboto-Medium-webfont.woff

1994 ms

Roboto-Thin-webfont.woff

Roboto-Thin-webfont.woff

973 ms

Roboto-Bold-webfont.woff

Roboto-Bold-webfont.woff

1028 ms

analytics.js

analytics.js

22 ms

collect

collect

12 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

907 ms

Roboto-Italic-webfont.woff

Roboto-Italic-webfont.woff

1871 ms

jeulin.woff

jeulin.woff

1445 ms

fill

fill

2546 ms

collect

collect

67 ms

dynamicdata

dynamicdata

2424 ms

block-title-diagonal-loop.png

block-title-diagonal-loop.png

1444 ms

grey-red-icon-sprite.png

grey-red-icon-sprite.png

2015 ms

jeulin-logo-text-only.png

jeulin-logo-text-only.png

2015 ms

ajax-loader.gif

ajax-loader.gif

1958 ms

0e69410460f23ac5d8b50508b9004962.css

0e69410460f23ac5d8b50508b9004962.css

83 ms

Accessibility Review

jeulin.fr accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

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

jeulin.fr best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jeulin.fr SEO score

89

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

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 Jeulin.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 Jeulin.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

jeulin.fr

Open Graph description is not detected on the main page of Jeulin. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: