Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

lyc-curie-versailles.ac-versailles.fr

Lycée Marie Curie - 70 avenue de Paris, 78000 Versailles - 01 39 24 13 70

Page Load Speed

683 ms in total

First Response

282 ms

Resources Loaded

292 ms

Page Rendered

109 ms

lyc-curie-versailles.ac-versailles.fr screenshot

About Website

Click here to check amazing Lyc Curie Versailles Ac content for France. Otherwise, check out these important facts you probably never knew about lyc-curie-versailles.ac-versailles.fr

Lycée Marie Curie, 70 avenue de Paris, 78000 Versailles - tel : 01 39 24 13 70 courriel : ce.0782567s@ac-versailles.fr

Visit lyc-curie-versailles.ac-versailles.fr

Key Findings

We analyzed Lyc-curie-versailles.ac-versailles.fr page load time and found that the first response time was 282 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. This domain responded with an error, which can significantly jeopardize Lyc-curie-versailles.ac-versailles.fr rating and web reputation

Performance Metrics

lyc-curie-versailles.ac-versailles.fr performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

lyc-curie-versailles.ac-versailles.fr

282 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 Lyc-curie-versailles.ac-versailles.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (282 ms) belongs to the original domain Lyc-curie-versailles.ac-versailles.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 20 B (17%)

Content Size

121 B

After Optimization

101 B

In fact, the total size of Lyc-curie-versailles.ac-versailles.fr main page is 121 B. 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. HTML takes 121 B which makes up the majority of the site volume.

HTML Optimization

-17%

Potential reduce by 20 B

  • Original 121 B
  • After minification 119 B
  • After compression 101 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 20 B or 17% 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.

Accessibility Review

lyc-curie-versailles.ac-versailles.fr accessibility score

81

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lyc-curie-versailles.ac-versailles.fr best practices score

58

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

lyc-curie-versailles.ac-versailles.fr SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lyc-curie-versailles.ac-versailles.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 Lyc-curie-versailles.ac-versailles.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

Open Graph description is not detected on the main page of Lyc Curie Versailles Ac. 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: