Tools & Wizards About Us
lelivrescolaire.fr screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

lelivrescolaire.fr

Lelivrescolaire.fr : manuels numériques pour le primaire, le collège et le lycée

Page Load Speed

3.6 sec in total

First Response

102 ms

Resources Loaded

3.2 sec

Page Rendered

343 ms

lelivrescolaire.fr screenshot

About Website

Welcome to lelivrescolaire.fr homepage info - get ready to check Lelivrescolaire best content for France right away, or after learning these important things about lelivrescolaire.fr

Lelivrescolaire.fr : éditeur de manuels scolaires collaboratifs et innovants.

Visit lelivrescolaire.fr

Key Findings

We analyzed Lelivrescolaire.fr page load time and found that the first response time was 102 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lelivrescolaire.fr performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

lelivrescolaire.fr

102 ms

lelivrescolaire.fr

393 ms

index.LRSZHZDU.css

16 ms

index.NDQD3XSZ.js

105 ms

978-2-37760-145-5-SVT2_P_2019.png

540 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 77% of them (37 requests) were addressed to the original Lelivrescolaire.fr, 17% (8 requests) were made to Assets-lite.lls.fr and 6% (3 requests) were made to Assets.lls.fr. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Lelivrescolaire.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.2 kB (19%)

Content Size

869.2 kB

After Optimization

700.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lelivrescolaire.fr main page is 869.2 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. 40% of websites need less resources to load. Images take 476.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 168.7 kB

  • Original 196.0 kB
  • After minification 195.6 kB
  • After compression 27.3 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 168.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 476.6 kB
  • After minification 476.6 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. Lelivrescolaire images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 17 B

  • Original 18.8 kB
  • After minification 18.8 kB
  • After compression 18.8 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 423 B

  • Original 177.8 kB
  • After minification 177.8 kB
  • After compression 177.4 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. Lelivrescolaire.fr has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

38

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lelivrescolaire. According to our analytics all requests are already optimized.

Network Requests Diagram

lelivrescolaire.fr

lelivrescolaire.fr

102 ms

lelivrescolaire.fr

lelivrescolaire.fr

393 ms

index.LRSZHZDU.css

index.LRSZHZDU.css

16 ms

index.NDQD3XSZ.js

index.NDQD3XSZ.js

105 ms

978-2-37760-145-5-SVT2_P_2019.png

978-2-37760-145-5-SVT2_P_2019.png

540 ms

img-1.jpg

img-1.jpg

484 ms

hg6-couv-110322.png

hg6-couv-110322.png

494 ms

es1-2023-couv-130723.png

es1-2023-couv-130723.png

45 ms

978-2-37760-157-8-AN1_P_2019.png

978-2-37760-157-8-AN1_P_2019.png

486 ms

hg2pro-couv-240223.jpg

hg2pro-couv-240223.jpg

496 ms

fr4-2022.png

fr4-2022.png

49 ms

mat4-couv.png

mat4-couv.png

532 ms

Couv-Esp-Term.png

Couv-Esp-Term.png

513 ms

command_paper.webp

command_paper.webp

541 ms

trousse.webp

trousse.webp

43 ms

teachers.webp

teachers.webp

35 ms

books-specimen.webp

books-specimen.webp

41 ms

classics.webp

classics.webp

39 ms

thunder.webp

thunder.webp

383 ms

plant-blue.webp

plant-blue.webp

49 ms

plant-orange.webp

plant-orange.webp

52 ms

primary-reading-double-pages.webp

primary-reading-double-pages.webp

78 ms

pencil-pot.webp

pencil-pot.webp

418 ms

mug.webp

mug.webp

507 ms

paper1.webp

paper1.webp

527 ms

paper2.webp

paper2.webp

568 ms

digital.webp

digital.webp

973 ms

pencil.webp

pencil.webp

805 ms

hand-pointing.webp

hand-pointing.webp

912 ms

falling-teachers.webp

falling-teachers.webp

929 ms

orange-leaf.webp

orange-leaf.webp

914 ms

yellow-lightning.webp

yellow-lightning.webp

968 ms

blue-leaf.webp

blue-leaf.webp

1201 ms

classics-cover.webp

classics-cover.webp

1565 ms

premium-preview.webp

premium-preview.webp

1496 ms

logo-white.svg

logo-white.svg

1407 ms

download-google-store.svg

download-google-store.svg

1353 ms

download-apple-store.svg

download-apple-store.svg

1368 ms

img-4.jpg

img-4.jpg

506 ms

img-5.jpg

img-5.jpg

489 ms

Lato-Regular.ttf

Lato-Regular.ttf

2010 ms

Lato-Bold.ttf

Lato-Bold.ttf

2115 ms

Lato-Bold.woff

Lato-Bold.woff

2295 ms

Lato-Heavy.ttf

Lato-Heavy.ttf

2181 ms

Lato-Black.ttf

Lato-Black.ttf

2287 ms

Lato-Black.woff

Lato-Black.woff

2295 ms

permanent-marker-regular.woff

permanent-marker-regular.woff

2292 ms

bovineMVB-regular.otf

bovineMVB-regular.otf

2378 ms

Accessibility Review

lelivrescolaire.fr accessibility score

73

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

lelivrescolaire.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Missing source maps for large first-party JavaScript

SEO Factors

lelivrescolaire.fr SEO score

88

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Lelivrescolaire.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 Lelivrescolaire.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

lelivrescolaire.fr

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