Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

lesacdecole.com

La référence des livres scolaires usagés | Le Sac D'École

Page Load Speed

811 ms in total

First Response

37 ms

Resources Loaded

630 ms

Page Rendered

144 ms

lesacdecole.com screenshot

About Website

Visit lesacdecole.com now to see the best up-to-date Le Sac Deco content and also check out these interesting facts you probably never knew about lesacdecole.com

Le site Le sac d’école est une plateforme virtuelle sécuritaire qui facilite la vente et l’achat de manuels usagés

Visit lesacdecole.com

Key Findings

We analyzed Lesacdecole.com page load time and found that the first response time was 37 ms and then it took 774 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

lesacdecole.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

lesacdecole.com

37 ms

www.lesacdecole.com

196 ms

stylesheet.css

25 ms

stylesheet-animation.css

51 ms

jquery.min.js

33 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 49% of them (26 requests) were addressed to the original Lesacdecole.com, 23% (12 requests) were made to Servicescolairesesco.com and 6% (3 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (296 ms) relates to the external source Servicescolairesesco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 526.7 kB (39%)

Content Size

1.3 MB

After Optimization

817.2 kB

In fact, the total size of Lesacdecole.com main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 859.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.8 kB

  • Original 25.3 kB
  • After minification 22.8 kB
  • After compression 6.5 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 18.8 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 139 B

  • Original 424.2 kB
  • After minification 424.0 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. Le Sac Deco images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 496.3 kB

  • Original 859.3 kB
  • After minification 858.6 kB
  • After compression 363.1 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 496.3 kB or 58% of the original size.

CSS Optimization

-33%

Potential reduce by 11.5 kB

  • Original 35.0 kB
  • After minification 35.0 kB
  • After compression 23.6 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. Lesacdecole.com needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Le Sac Deco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lesacdecole.com accessibility score

96

Accessibility Issues

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.

Tables and lists

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

Impact

Issue

High

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

Best Practices

lesacdecole.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lesacdecole.com SEO score

71

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lesacdecole.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Lesacdecole.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

Open Graph description is not detected on the main page of Le Sac Deco. 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: