Access lesite.tv. Accueil - Lumni

Report Summary

About Website

Visit lesite.tv now to see the best up-to-date Lesite content for France and also check out these interesting facts you probably never knew about lesite.tv

Lumni Enseignement propose plus de 4 000 ressources (vidéos, audios, images, pistes pédagogiques, dossiers thématiques, quiz) à destination des enseignants et de leurs élèves.

Visit lesite.tv

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value13,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.472

18/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

enseignants.lumni.fr

1333 ms

logo-Lumni-enseignement_blanc.svg

213 ms

partenaire-inrap.svg

294 ms

partenaire-ina.svg

294 ms

PA00000000014.jpeg

299 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Lesite.tv and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Enseignants.lumni.fr.

Content Size

1.2 MB

After Optimization

272.7 kB

In fact, the total size of Lesite.tv main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. HTML takes 982.7 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 877.2 kB

Original 982.7 kB
After minification 947.0 kB
After compression 105.5 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 877.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 127.1 kB
After minification 127.1 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. Lesite images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 56.5 kB

Original 79.2 kB
After minification 79.2 kB
After compression 22.7 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 56.5 kB or 71% of the original size.

CSS Optimization

-15%

Potential reduce by 3.2 kB

Original 20.6 kB
After minification 20.6 kB
After compression 17.4 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. Lesite.tv needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 15% of the original size.

Requests Now

After Optimization

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lesite. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Lesite.tv 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 Lesite.tv 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

lesite.tv

Open Graph data is detected on the main page of Lesite. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Accueil - Lumni | Enseignement

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)