Tools & Wizards About Us
editions-delagrave.fr screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

editions-delagrave.fr

Editions Delagrave | Enseignement technique et professionnel

Page Load Speed

4 sec in total

First Response

445 ms

Resources Loaded

2.4 sec

Page Rendered

1.1 sec

editions-delagrave.fr screenshot

About Website

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

Ouvrages pour l'enseignement technique et professionnel : manuels pour le lycée, préparation au bac, BTS et ouvrages de référence.

Visit editions-delagrave.fr

Key Findings

We analyzed Editions-delagrave.fr page load time and found that the first response time was 445 ms and then it took 3.6 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

editions-delagrave.fr performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.editions-delagrave.fr

445 ms

css__xr8U_FGf2TDQeF5eGtE0xUUrynypdNWoc7yVTlIO4w.css

88 ms

css_lfZeXxUbIylCrYP_frGY3i6IUJl-CDWUgG3t7t5EpxY.css

255 ms

css_tH0B5Kzk31ZBrzlbFb_imXIgptlttu3n_uDwIQ1zcDM.css

243 ms

logo-delagrave-blue.svg

245 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 98% of them (62 requests) were addressed to the original Editions-delagrave.fr, 2% (1 request) were made to Cdn.optinly.net. The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Editions-delagrave.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 464.1 kB (12%)

Content Size

3.7 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Editions-delagrave.fr main page is 3.7 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. 55% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 97.8 kB

  • Original 114.6 kB
  • After minification 103.0 kB
  • After compression 16.8 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 97.8 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 362.9 kB

  • Original 3.5 MB
  • After minification 3.2 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 Delagrave images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.2 kB

  • Original 77.4 kB
  • After minification 77.4 kB
  • After compression 74.2 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 272 B

  • Original 44.0 kB
  • After minification 43.8 kB
  • After compression 43.7 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. Editions-delagrave.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (10%)

Requests Now

61

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Editions Delagrave. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.editions-delagrave.fr

www.editions-delagrave.fr

445 ms

css__xr8U_FGf2TDQeF5eGtE0xUUrynypdNWoc7yVTlIO4w.css

css__xr8U_FGf2TDQeF5eGtE0xUUrynypdNWoc7yVTlIO4w.css

88 ms

css_lfZeXxUbIylCrYP_frGY3i6IUJl-CDWUgG3t7t5EpxY.css

css_lfZeXxUbIylCrYP_frGY3i6IUJl-CDWUgG3t7t5EpxY.css

255 ms

css_tH0B5Kzk31ZBrzlbFb_imXIgptlttu3n_uDwIQ1zcDM.css

css_tH0B5Kzk31ZBrzlbFb_imXIgptlttu3n_uDwIQ1zcDM.css

243 ms

logo-delagrave-blue.svg

logo-delagrave-blue.svg

245 ms

js_YK62TMBG5emOpCPQLo22ZJhRpqikya6rqoE_Bjdq36Y.js

js_YK62TMBG5emOpCPQLo22ZJhRpqikya6rqoE_Bjdq36Y.js

323 ms

tarteaucitron.js

tarteaucitron.js

321 ms

magnard.tarteaucitron.services.js

magnard.tarteaucitron.services.js

242 ms

js_hVkfjPoDY1D-1G_fdL75jrB6ZXlJXygRe7U9BXPFCnE.js

js_hVkfjPoDY1D-1G_fdL75jrB6ZXlJXygRe7U9BXPFCnE.js

396 ms

optinly.js

optinly.js

37 ms

delagrave_technologie_college.jpg

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553 ms

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482 ms

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405 ms

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410 ms

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476 ms

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557 ms

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567 ms

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573 ms

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637 ms

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643 ms

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714 ms

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641 ms

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652 ms

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656 ms

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721 ms

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802 ms

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727 ms

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736 ms

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741 ms

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799 ms

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805 ms

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812 ms

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821 ms

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826 ms

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883 ms

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962 ms

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888 ms

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894 ms

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839 ms

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685 ms

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739 ms

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738 ms

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664 ms

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750 ms

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674 ms

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647 ms

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652 ms

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651 ms

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591 ms

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602 ms

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584 ms

delagrave_collection_les_cahiers_de_l_apprenti_pour_le_CFA.jpg

delagrave_collection_les_cahiers_de_l_apprenti_pour_le_CFA.jpg

587 ms

delagrave_agricole.jpg

delagrave_agricole.jpg

656 ms

newsletter.jpg

newsletter.jpg

580 ms

nouveaut%C3%A9s%202024%20LEGT_0.jpg

nouveaut%C3%A9s%202024%20LEGT_0.jpg

523 ms

nouveaut%C3%A9s%202024%20BTS.jpg

nouveaut%C3%A9s%202024%20BTS.jpg

526 ms

nouveaut%C3%A9s%202024%20LP%20%282%29.png

nouveaut%C3%A9s%202024%20LP%20%282%29.png

576 ms

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catalogues%202024-2025%20%282%29.jpg

574 ms

Jeu%20Guess.jpg

Jeu%20Guess.jpg

578 ms

Qui%20sommes%20nous_0.jpg

Qui%20sommes%20nous_0.jpg

529 ms

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des%20contenus%20conformes%20de%20qualit%C3%A9.jpg

530 ms

des%20%C3%A9quipes%20d%C3%A9di%C3%A9es.jpg

des%20%C3%A9quipes%20d%C3%A9di%C3%A9es.jpg

577 ms

css_r7DGWZ1wK-C6F8IzBGqszclbAhpiB2M7brte3K8CefQ.css

css_r7DGWZ1wK-C6F8IzBGqszclbAhpiB2M7brte3K8CefQ.css

85 ms

Accessibility Review

editions-delagrave.fr accessibility score

100

Accessibility Issues

Best Practices

editions-delagrave.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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

editions-delagrave.fr SEO score

92

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 Editions-delagrave.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-delagrave.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-delagrave.fr

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