Tools & Wizards About Us
didac.free.fr screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

didac.free.fr

Didac-TIC : didactique des sciences de la vie et de la Terre (hébergé chez Free)

Page Load Speed

1.3 sec in total

First Response

335 ms

Resources Loaded

853 ms

Page Rendered

137 ms

didac.free.fr screenshot

About Website

Click here to check amazing Didac Free content for France. Otherwise, check out these important facts you probably never knew about didac.free.fr

Documents d'apprentissage en sciences de la vie et de la Terre (SVT, biologie et géologie) et en informatique. Learn biology, geology and computing.

Visit didac.free.fr

Key Findings

We analyzed Didac.free.fr page load time and found that the first response time was 335 ms and then it took 990 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

didac.free.fr performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

didac.free.fr

335 ms

base.css

186 ms

help.js

188 ms

brand

7 ms

phpmyvisites.js

320 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 64% of them (7 requests) were addressed to the original Didac.free.fr, 18% (2 requests) were made to St.free.fr and 9% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (335 ms) belongs to the original domain Didac.free.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.4 kB (33%)

Content Size

49.6 kB

After Optimization

33.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Didac.free.fr main page is 49.6 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. Only 5% of websites need less resources to load. Images take 21.5 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 5.4 kB

  • Original 8.5 kB
  • After minification 7.4 kB
  • After compression 3.1 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 1.1 kB, which is 13% 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 5.4 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 255 B

  • Original 21.5 kB
  • After minification 21.3 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. Didac Free images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 3.5 kB

  • Original 10.8 kB
  • After minification 9.7 kB
  • After compression 7.2 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 3.5 kB or 33% of the original size.

CSS Optimization

-81%

Potential reduce by 7.2 kB

  • Original 8.8 kB
  • After minification 5.2 kB
  • After compression 1.7 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. Didac.free.fr needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Didac Free. According to our analytics all requests are already optimized.

Network Requests Diagram

didac.free.fr

didac.free.fr

335 ms

base.css

base.css

186 ms

help.js

help.js

188 ms

brand

brand

7 ms

phpmyvisites.js

phpmyvisites.js

320 ms

brandjs.js

brandjs.js

21 ms

haeckel_heliosphera.png

haeckel_heliosphera.png

238 ms

didac-tic.png

didac-tic.png

174 ms

enveloppe_16x12.png

enveloppe_16x12.png

167 ms

external.png

external.png

150 ms

phpmyvisites.php

phpmyvisites.php

196 ms

Accessibility Review

didac.free.fr accessibility score

79

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

Form elements do not have associated labels

High

<object> elements do not have alternate text

Best Practices

didac.free.fr best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

didac.free.fr 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 Didac.free.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 Didac.free.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

didac.free.fr

Open Graph description is not detected on the main page of Didac Free. 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: