Access numerique-hatier.com. Manuels et ressources numériques élèves, étudiants

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

numerique-hatier.com

265 ms

offre-numerique

543 ms

js_HFwuzvpgrm2QZh4mO8RYgKHen478nft3rHJNG04-RyI.js

267 ms

didomi-pre-script.js

257 ms

css_FVevIxJ4JCH-ieHD5ODFYJSk_RdM_sCeVHu-68jQxa4.css

373 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Numerique-hatier.com, 92% (54 requests) were made to Editions-hatier.fr and 5% (3 requests) were made to Sdk.privacy-center.org. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Editions-hatier.fr.

Content Size

5.3 MB

After Optimization

4.3 MB

In fact, the total size of Numerique-hatier.com main page is 5.3 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. Only a small number of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 165.4 kB

Original 196.5 kB
After minification 180.3 kB
After compression 31.1 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 165.4 kB or 84% of the original size.

Image Optimization

-17%

Potential reduce by 836.8 kB

Original 5.0 MB
After minification 4.1 MB

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. Obviously, Numerique Hatier needs image optimization as it can save up to 836.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 260 B

Original 102.3 kB
After minification 102.3 kB
After compression 102.0 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

-1%

Potential reduce by 690 B

Original 60.4 kB
After minification 60.4 kB
After compression 59.7 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. Numerique-hatier.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numerique Hatier. 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 as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

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 doesn't use 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 Numerique-hatier.com 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 Numerique-hatier.com 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

numerique-hatier.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Manuels et ressources numériques élèves, étudiants | Editions Hatier

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)

Network Requests Diagram

numerique-hatier.com

offre-numerique

js_HFwuzvpgrm2QZh4mO8RYgKHen478nft3rHJNG04-RyI.js

didomi-pre-script.js

css_FVevIxJ4JCH-ieHD5ODFYJSk_RdM_sCeVHu-68jQxa4.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

numerique-hatier.com

offre-numerique

js_HFwuzvpgrm2QZh4mO8RYgKHen478nft3rHJNG04-RyI.js

didomi-pre-script.js

css_FVevIxJ4JCH-ieHD5ODFYJSk_RdM_sCeVHu-68jQxa4.css

css_knS6NDFQVFTI_dyta8zSSUH0xVaQmQ97Y3nlOBqrDdM.css

js_30WtjCAKOuBj0no4oNZBPVJ0gzmUKJ8saYAZApmfAVk.js

js.cookie.min.js

js_gOjRWrnqXYPNttUgxSqQ7ewSNpjTf7PuQHMOmykbnqo.js

loader.js

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