Tools & Wizards About Us
didalab.fr screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

didalab.fr

DIDALAB : Matériels Didactiques et Pédagogique pour l'Enseignement

Page Load Speed

748 ms in total

First Response

347 ms

Resources Loaded

347 ms

Page Rendered

54 ms

didalab.fr screenshot

About Website

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

DIDALAB : Concepteurs et Fabricants Spécialiste en Ingénierie Pédagogique & Didactique en Sciences Physiques, Génie Electrique &Télécoms

Visit didalab.fr

Key Findings

We analyzed Didalab.fr page load time and found that the first response time was 347 ms and then it took 401 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

didalab.fr performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

didalab.fr

347 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Didalab.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (347 ms) belongs to the original domain Didalab.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.0 kB (4%)

Content Size

246.2 kB

After Optimization

237.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Didalab.fr main page is 246.2 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 223.4 kB which makes up the majority of the site volume.

HTML Optimization

-15%

Potential reduce by 18 B

  • Original 123 B
  • After minification 123 B
  • After compression 105 B

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 18 B or 15% of the original size.

Image Optimization

-2%

Potential reduce by 4.9 kB

  • Original 223.4 kB
  • After minification 218.5 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. DIDALAB images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 416 B

  • Original 17.8 kB
  • After minification 17.7 kB
  • After compression 17.4 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

-77%

Potential reduce by 3.7 kB

  • Original 4.8 kB
  • After minification 3.3 kB
  • After compression 1.1 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. Didalab.fr needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

didalab.fr

didalab.fr

347 ms

Accessibility Review

didalab.fr accessibility score

83

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

Best Practices

didalab.fr best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

didalab.fr SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Didalab.fr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Didalab.fr main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

didalab.fr

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