Report Summary

  • 33

    Performance

    Renders faster than
    52% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

isover.fr

Solutions d'isolation thermique et phonique ISOVER

Page Load Speed

4.3 sec in total

First Response

828 ms

Resources Loaded

2.6 sec

Page Rendered

803 ms

isover.fr screenshot

About Website

Welcome to isover.fr homepage info - get ready to check ISOVER best content for Morocco right away, or after learning these important things about isover.fr

Tout savoir sur ISOVER, leader mondial de l'isolation : solutions d'isolation, guides d'isolation, actualités, services…

Visit isover.fr

Key Findings

We analyzed Isover.fr page load time and found that the first response time was 828 ms and then it took 3.4 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

isover.fr performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

www.isover.fr

828 ms

google_tag.script.js

45 ms

google_tag.script.js

59 ms

google_tag.script.js

59 ms

input-reset.css

55 ms

Our browser made a total of 223 requests to load all elements on the main page. We found that 95% of them (211 requests) were addressed to the original Isover.fr, 2% (5 requests) were made to Googletagmanager.com and 1% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (828 ms) belongs to the original domain Isover.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.2 kB (27%)

Content Size

896.0 kB

After Optimization

650.8 kB

In fact, the total size of Isover.fr main page is 896.0 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. 70% of websites need less resources to load. Javascripts take 384.3 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 228.6 kB

  • Original 253.2 kB
  • After minification 217.3 kB
  • After compression 24.6 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. This page needs HTML code to be minified as it can gain 35.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 228.6 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 2.1 kB

  • Original 204.9 kB
  • After minification 202.8 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. ISOVER images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.0 kB

  • Original 384.3 kB
  • After minification 384.1 kB
  • After compression 378.3 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

-16%

Potential reduce by 8.5 kB

  • Original 53.5 kB
  • After minification 52.1 kB
  • After compression 45.1 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. Isover.fr needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 205 (94%)

Requests Now

218

After Optimization

13

The browser has sent 218 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISOVER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 110 to 1 for JavaScripts and from 81 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isover.fr accessibility score

89

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

isover.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

isover.fr SEO score

84

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 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 Isover.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 Isover.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

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