Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

lycee-mermoz.net

LYCEE JEAN MERMOZ

Page Load Speed

5.4 sec in total

First Response

1.3 sec

Resources Loaded

3.9 sec

Page Rendered

192 ms

lycee-mermoz.net screenshot

About Website

Welcome to lycee-mermoz.net homepage info - get ready to check LYCEE MERMOZ best content for France right away, or after learning these important things about lycee-mermoz.net

ENT Skolengo

Visit lycee-mermoz.net

Key Findings

We analyzed Lycee-mermoz.net page load time and found that the first response time was 1.3 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

lycee-mermoz.net performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.406

24/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

index.php

1260 ms

jcemediabox.css

251 ms

style.css

257 ms

accordeonmenuckmobile.css

254 ms

jevcustom.css

253 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 89% of them (31 requests) were addressed to the original Lycee-mermoz.net, 9% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lycee-mermoz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 369.3 kB (38%)

Content Size

981.9 kB

After Optimization

612.6 kB

In fact, the total size of Lycee-mermoz.net main page is 981.9 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. Images take 524.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.8 kB

  • Original 49.2 kB
  • After minification 48.1 kB
  • After compression 8.4 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. 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 40.8 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 32.6 kB

  • Original 524.9 kB
  • After minification 492.3 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. LYCEE MERMOZ images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 249.3 kB

  • Original 350.5 kB
  • After minification 342.4 kB
  • After compression 101.1 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 249.3 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 46.6 kB

  • Original 57.4 kB
  • After minification 43.9 kB
  • After compression 10.8 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. Lycee-mermoz.net needs all CSS files to be minified and compressed as it can save up to 46.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (61%)

Requests Now

31

After Optimization

12

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LYCEE MERMOZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lycee-mermoz.net accessibility score

94

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

Links do not have a discernible name

Best Practices

lycee-mermoz.net best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lycee-mermoz.net SEO score

82

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

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 Lycee-mermoz.net 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 Lycee-mermoz.net 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 LYCEE MERMOZ. 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: