Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

rdassonval.free.fr

Mathématiques dynamiques

Page Load Speed

1.5 sec in total

First Response

365 ms

Resources Loaded

965 ms

Page Rendered

121 ms

rdassonval.free.fr screenshot

About Website

Welcome to rdassonval.free.fr homepage info - get ready to check Rdassonval Free best content for France right away, or after learning these important things about rdassonval.free.fr

Visit rdassonval.free.fr

Key Findings

We analyzed Rdassonval.free.fr page load time and found that the first response time was 365 ms and then it took 1.1 sec 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

rdassonval.free.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.9 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)

Value0.8 s

100/100

10%

Network Requests Diagram

rdassonval.free.fr

365 ms

style.css

167 ms

icoflash.jpg

165 ms

icoggb.jpg

172 ms

sesamath.gif

176 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Rdassonval.free.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (439 ms) belongs to the original domain Rdassonval.free.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (7%)

Content Size

146.5 kB

After Optimization

136.4 kB

In fact, the total size of Rdassonval.free.fr main page is 146.5 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 142.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 2.0 kB

  • Original 3.0 kB
  • After minification 2.4 kB
  • After compression 1.0 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 612 B, which is 20% 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 2.0 kB or 66% of the original size.

Image Optimization

-5%

Potential reduce by 7.5 kB

  • Original 142.5 kB
  • After minification 135.0 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. Rdassonval Free images are well optimized though.

CSS Optimization

-61%

Potential reduce by 591 B

  • Original 967 B
  • After minification 671 B
  • After compression 376 B

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. Rdassonval.free.fr needs all CSS files to be minified and compressed as it can save up to 591 B or 61% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rdassonval Free. According to our analytics all requests are already optimized.

Accessibility Review

rdassonval.free.fr accessibility score

76

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

rdassonval.free.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

rdassonval.free.fr SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rdassonval.free.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rdassonval.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

Open Graph description is not detected on the main page of Rdassonval 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: