Tools & Wizards About Us
jeunes.edf.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

jeunes.edf.com

Électricité et énergie : ressources éducatives | EDF FR

Page Load Speed

61.1 sec in total

First Response

335 ms

Resources Loaded

60.5 sec

Page Rendered

252 ms

jeunes.edf.com screenshot

About Website

Click here to check amazing Jeunes EDF content for France. Otherwise, check out these important facts you probably never knew about jeunes.edf.com

Comprendre l'électricité et les énergies renouvelables : ressources éducatives et ludiques pour les enfants et enseignants

Visit jeunes.edf.com

Key Findings

We analyzed Jeunes.edf.com page load time and found that the first response time was 335 ms and then it took 60.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jeunes.edf.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

jeunes.edf.com

335 ms

l-energie-de-a-a-z

243 ms

jeunes-enseignants

99 ms

css_rJxw674XUT4a7LjKTiBvDRk4E3FkwUhd3LFjpjbQJjg.css

19825 ms

css_p0XYXg526_4Kdy9HCUAw757f7_7_-i9mkB2Ds6ub15g.css

19825 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Jeunes.edf.com, 80% (20 requests) were made to Edf.fr and 8% (2 requests) were made to Cdn.tagcommander.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Edf.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.8 kB (16%)

Content Size

206.0 kB

After Optimization

173.2 kB

  • HTML
  • JavaScript

In fact, the total size of Jeunes.edf.com main page is 206.0 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. 25% of websites need less resources to load. Javascripts take 163.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 32.0 kB

  • Original 42.3 kB
  • After minification 35.6 kB
  • After compression 10.3 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 6.7 kB, which is 16% 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 32.0 kB or 76% of the original size.

JavaScript Optimization

-0%

Potential reduce by 784 B

  • Original 163.7 kB
  • After minification 163.7 kB
  • After compression 162.9 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 3 (60%)

Requests Now

5

After Optimization

2

  • AJAX
  • JavaScript

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

Network Requests Diagram

jeunes.edf.com

jeunes.edf.com

335 ms

l-energie-de-a-a-z

l-energie-de-a-a-z

243 ms

jeunes-enseignants

jeunes-enseignants

99 ms

css_rJxw674XUT4a7LjKTiBvDRk4E3FkwUhd3LFjpjbQJjg.css

css_rJxw674XUT4a7LjKTiBvDRk4E3FkwUhd3LFjpjbQJjg.css

19825 ms

css_p0XYXg526_4Kdy9HCUAw757f7_7_-i9mkB2Ds6ub15g.css

css_p0XYXg526_4Kdy9HCUAw757f7_7_-i9mkB2Ds6ub15g.css

19825 ms

js_2Jos6nUfTq8pGmw5vCOdxJcl2VNxbacoZQqSubOhsVo.js

js_2Jos6nUfTq8pGmw5vCOdxJcl2VNxbacoZQqSubOhsVo.js

19824 ms

tc_edfgroupe_1.js

tc_edfgroupe_1.js

229 ms

tc_edfgroupe_3.js

tc_edfgroupe_3.js

234 ms

js_OizXbKpTX8amTm0D0fMll2yYJHfeH3qDwlm39_CsMTI.js

js_OizXbKpTX8amTm0D0fMll2yYJHfeH3qDwlm39_CsMTI.js

19856 ms

V0hlBmc

V0hlBmc

56 ms

3YJEM-GSRR4-UVUC6-EBFEU-R5LD6

3YJEM-GSRR4-UVUC6-EBFEU-R5LD6

102 ms

arrow-back.svg

arrow-back.svg

19970 ms

logo-edf.svg

logo-edf.svg

19970 ms

user-nav.svg

user-nav.svg

19971 ms

chevron-down.svg

chevron-down.svg

19971 ms

edfgroup_jeunes-enseignants_header_6g_1920x510.jpg

edfgroup_jeunes-enseignants_header_6g_1920x510.jpg

19970 ms

jeunes-enseignants_picto_jeunes_or_80x80.png

jeunes-enseignants_picto_jeunes_or_80x80.png

19970 ms

jeunes-enseignants_picto_enseignant_or_80x80.png

jeunes-enseignants_picto_enseignant_or_80x80.png

19970 ms

edfgroup_jeunes-enseignants_ateliers_406x406.jpg

edfgroup_jeunes-enseignants_ateliers_406x406.jpg

19970 ms

visitez-nos-centrales_visite-guidee.jpg

visitez-nos-centrales_visite-guidee.jpg

19969 ms

edfgroup_incollables_apprendre_282x211.jpg

edfgroup_incollables_apprendre_282x211.jpg

19970 ms

enseignants_push-posters_2_282x211.png

enseignants_push-posters_2_282x211.png

19970 ms

jeunes-enseignants_electropolis_282x211.png

jeunes-enseignants_electropolis_282x211.png

19970 ms

config.json

config.json

22 ms

css_Mf0T_LSr_jNn0WOYejj2b8m3Ye69LPJ0tdMqMxsgCUU.css

css_Mf0T_LSr_jNn0WOYejj2b8m3Ye69LPJ0tdMqMxsgCUU.css

19997 ms

Accessibility Review

jeunes.edf.com accessibility score

100

Accessibility Issues

Best Practices

jeunes.edf.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jeunes.edf.com SEO score

96

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 Jeunes.edf.com 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 Jeunes.edf.com 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

jeunes.edf.com

Open Graph description is not detected on the main page of Jeunes EDF. 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: