Access editions-retz.fr. Éditions Retz : éditeur de manuels et matériels scolaires, école primaire, élémentaire et maternelle

Report Summary

About Website

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

Manuels et matériels scolaires pour l’école primaire maternelle et élémentaire : programme officiel, livres et outils de pédagogie, aide et perfectionnement pour les enseignants et professionnels de l...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.369

29/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

editions-retz.fr

347 ms

www.editions-retz.com

1283 ms

loader.js

181 ms

74e26528be4acf487ec748c78aac4414.js

25 ms

gtm.js

79 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Editions-retz.fr, 93% (90 requests) were made to Editions-retz.com and 3% (3 requests) were made to Sdk.privacy-center.org. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Editions-retz.com.

Content Size

5.9 MB

After Optimization

5.4 MB

In fact, the total size of Editions-retz.fr main page is 5.9 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. 60% of websites need less resources to load. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 233.1 kB

Original 267.6 kB
After minification 252.1 kB
After compression 34.5 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 233.1 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 316.1 kB

Original 5.5 MB
After minification 5.2 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. Editions Retz images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

Original 96.5 kB
After minification 96.5 kB
After compression 96.5 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

-0%

Potential reduce by 117 B

Original 44.8 kB
After minification 44.8 kB
After compression 44.6 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. Editions-retz.fr has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Editions Retz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Form elements do not have associated labels

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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 Editions-retz.fr 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 Editions-retz.fr 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

editions-retz.fr

Open Graph data is detected on the main page of Editions Retz. 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

Éditions Retz : éditeur de manuels et matériels scolaires, école primaire, élémentaire et maternelle

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)