Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cdefi.fr

CDEFI - Conférence des Directeurs des Ecoles Françaises d'Ingénieurs

Page Load Speed

2.8 sec in total

First Response

285 ms

Resources Loaded

2.3 sec

Page Rendered

203 ms

About Website

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

Conférence des Directeurs des Ecoles Françaises d'Ingénieurs

Visit cdefi.fr

Key Findings

We analyzed Cdefi.fr page load time and found that the first response time was 285 ms and then it took 2.5 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

cdefi.fr performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

cdefi.fr

285 ms

www.cdefi.fr

494 ms

fonts.css

165 ms

ctn.css

243 ms

popin.css

243 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Cdefi.fr, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (968 ms) belongs to the original domain Cdefi.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 516.5 kB (52%)

Content Size

989.2 kB

After Optimization

472.7 kB

In fact, the total size of Cdefi.fr main page is 989.2 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 479.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 17.6 kB

  • Original 22.0 kB
  • After minification 16.1 kB
  • After compression 4.5 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 5.9 kB, which is 27% 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 17.6 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 20.7 kB

  • Original 305.6 kB
  • After minification 284.8 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. CDEFI images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 321.1 kB

  • Original 479.6 kB
  • After minification 470.9 kB
  • After compression 158.5 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 321.1 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 157.1 kB

  • Original 182.0 kB
  • After minification 147.8 kB
  • After compression 24.9 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. Cdefi.fr needs all CSS files to be minified and compressed as it can save up to 157.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (52%)

Requests Now

46

After Optimization

22

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CDEFI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cdefi.fr accessibility score

77

Accessibility Issues

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

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

cdefi.fr best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cdefi.fr SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdefi.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Cdefi.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 CDEFI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: