Tools & Wizards About Us
cenef.fr screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% 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

  • 98

    SEO

    Google-friendlier than
    92% of websites

cenef.fr

Formation à distance avec le Centre Européen de Formation

Page Load Speed

5.1 sec in total

First Response

250 ms

Resources Loaded

3.8 sec

Page Rendered

987 ms

cenef.fr screenshot

About Website

Welcome to cenef.fr homepage info - get ready to check Cenef best content right away, or after learning these important things about cenef.fr

Le CEF est le spécialiste de la formation à distance dans la petite enfance, la beauté, la cuisine, la santé animale, le social.

Visit cenef.fr

Key Findings

We analyzed Cenef.fr page load time and found that the first response time was 250 ms and then it took 4.8 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

cenef.fr performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

cenef.fr

250 ms

www.centre-europeen-formation.fr

457 ms

www.centre-europeen-formation.fr

533 ms

11a58e94b0c84c10d62a77ecf54fbea1.js

150 ms

jquery.min.js

339 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cenef.fr, 81% (65 requests) were made to Centre-europeen-formation.fr and 4% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Cl.avis-verifies.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.9 kB (21%)

Content Size

1.2 MB

After Optimization

945.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cenef.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. 35% of websites need less resources to load. Images take 622.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 240.1 kB

  • Original 289.3 kB
  • After minification 285.4 kB
  • After compression 49.2 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 240.1 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 3.3 kB

  • Original 622.3 kB
  • After minification 619.1 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. Cenef images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 263.1 kB
  • After minification 263.1 kB
  • After compression 261.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 119 B

  • Original 15.6 kB
  • After minification 15.6 kB
  • After compression 15.5 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. Cenef.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (43%)

Requests Now

77

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cenef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cenef.fr

cenef.fr

250 ms

www.centre-europeen-formation.fr

www.centre-europeen-formation.fr

457 ms

www.centre-europeen-formation.fr

www.centre-europeen-formation.fr

533 ms

11a58e94b0c84c10d62a77ecf54fbea1.js

11a58e94b0c84c10d62a77ecf54fbea1.js

150 ms

jquery.min.js

jquery.min.js

339 ms

jquery-migrate.min.js

jquery-migrate.min.js

243 ms

link-juice-optimizer.js

link-juice-optimizer.js

245 ms

mailin-front.js

mailin-front.js

254 ms

otSDKStub.js

otSDKStub.js

45 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

95 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

156 ms

wp-polyfill.min.js

wp-polyfill.min.js

244 ms

dom-ready.min.js

dom-ready.min.js

169 ms

hooks.min.js

hooks.min.js

223 ms

i18n.min.js

i18n.min.js

244 ms

a11y.min.js

a11y.min.js

266 ms

jquery.json.min.js

jquery.json.min.js

266 ms

gravityforms.min.js

gravityforms.min.js

266 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

280 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

315 ms

utils.min.js

utils.min.js

333 ms

vendor-theme.min.js

vendor-theme.min.js

329 ms

scripts-theme.min.js

scripts-theme.min.js

336 ms

lazyload.min.js

lazyload.min.js

346 ms

ico-cef-bleu.svg

ico-cef-bleu.svg

189 ms

bandeau-multimarque-2024-3.jpg

bandeau-multimarque-2024-3.jpg

515 ms

ico-service-client-2024.png

ico-service-client-2024.png

237 ms

visuel-pe-homepage-asa.jpg

visuel-pe-homepage-asa.jpg

236 ms

ico-asa.svg

ico-asa.svg

227 ms

visuel-pe-homepage-deco.jpg

visuel-pe-homepage-deco.jpg

256 ms

ico-deco.svg

ico-deco.svg

255 ms

visuel-homepage-naturo.jpg

visuel-homepage-naturo.jpg

314 ms

ico-naturo.svg

ico-naturo.svg

317 ms

visuel-pe-homepage-resto.jpg

visuel-pe-homepage-resto.jpg

342 ms

ico-resto.svg

ico-resto.svg

334 ms

visuel-pe-homepage.jpg

visuel-pe-homepage.jpg

361 ms

ico-aepe.svg

ico-aepe.svg

398 ms

slider-formation-assistant-comptable-hp.jpg

slider-formation-assistant-comptable-hp.jpg

416 ms

ico-compta.svg

ico-compta.svg

412 ms

visuel-pe-homepage-beaute.jpg

visuel-pe-homepage-beaute.jpg

444 ms

ico-beau-liste.svg

ico-beau-liste.svg

447 ms

visuel-pe-homepage-san.jpg

visuel-pe-homepage-san.jpg

492 ms

ico-sas.svg

ico-sas.svg

491 ms

banniere-fleuriste-hp.jpg

banniere-fleuriste-hp.jpg

524 ms

ico-fleuriste-menu.svg

ico-fleuriste-menu.svg

527 ms

visuel-homepage-formations-courtes.jpg

visuel-homepage-formations-courtes.jpg

558 ms

ico-formations-courtes.png

ico-formations-courtes.png

572 ms

style.min.css

style.min.css

606 ms

style.css

style.css

594 ms

mailin-front.css

mailin-front.css

575 ms

visuel-homepage-devweb.jpg

visuel-homepage-devweb.jpg

565 ms

ico-informatique.svg

ico-informatique.svg

589 ms

visuel-formation-financable-cpf.jpg

visuel-formation-financable-cpf.jpg

609 ms

logo-cpf-bloc-financement.png

logo-cpf-bloc-financement.png

599 ms

container_fJBFa2t7.js

container_fJBFa2t7.js

503 ms

gtm.js

gtm.js

79 ms

eb26ce00-6b0a-4d36-80f2-2b8733ad50f9.json

eb26ce00-6b0a-4d36-80f2-2b8733ad50f9.json

28 ms

bg-bloc-coach.jpg

bg-bloc-coach.jpg

686 ms

ico-facebook-footer.svg

ico-facebook-footer.svg

582 ms

location

location

70 ms

ico-youtube-footer.svg

ico-youtube-footer.svg

578 ms

ico-instagram-footer.svg

ico-instagram-footer.svg

605 ms

ico-twitter-footer.svg

ico-twitter-footer.svg

612 ms

ico-pinterest-footer.svg

ico-pinterest-footer.svg

613 ms

423 ms

30653ebf-fd3c-eea4-cda3-6a8ac3401fc1horizontal_index.html

30653ebf-fd3c-eea4-cda3-6a8ac3401fc1horizontal_index.html

2121 ms

otBannerSdk.js

otBannerSdk.js

23 ms

ico-tiktok-footer.svg

ico-tiktok-footer.svg

589 ms

logo-qualiopi-avec-textes.png

logo-qualiopi-avec-textes.png

581 ms

ico_datadocke-transparent.png

ico_datadocke-transparent.png

595 ms

ico-engagement-charte-handicap.png

ico-engagement-charte-handicap.png

597 ms

ico-cef-blanc.svg

ico-cef-blanc.svg

593 ms

mux.min.js

mux.min.js

48 ms

index.4b0df5a8.js

index.4b0df5a8.js

606 ms

index.57beeda2.css

index.57beeda2.css

433 ms

piwik.php

piwik.php

142 ms

style.min.css

style.min.css

95 ms

style.css

style.css

84 ms

mailin-front.css

mailin-front.css

84 ms

angular-locale_fr-fr.min.js

angular-locale_fr-fr.min.js

32 ms

Accessibility Review

cenef.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

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

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

cenef.fr best practices score

83

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

SEO Factors

cenef.fr SEO score

98

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 Cenef.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 Cenef.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

cenef.fr

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