Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

bis-renovation.com

Isolation de votre Maison. Faites appel à un Spécialiste.

Page Load Speed

9.9 sec in total

First Response

1.3 sec

Resources Loaded

8.2 sec

Page Rendered

365 ms

bis-renovation.com screenshot

About Website

Welcome to bis-renovation.com homepage info - get ready to check Bis Renovation best content for France right away, or after learning these important things about bis-renovation.com

Bis Rénovation réalise tous vos travaux d'Isolation : Isolation des Combles, Isolation par l'Extérieur, Fenêtres Isolantes. Devis Gratuit en 24h

Visit bis-renovation.com

Key Findings

We analyzed Bis-renovation.com page load time and found that the first response time was 1.3 sec and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

bis-renovation.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

www.bis-renovation.com

1278 ms

jquery.min.js

12 ms

easing.js

212 ms

ui.css

229 ms

flexslider.css

209 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 94% of them (93 requests) were addressed to the original Bis-renovation.com, 4% (4 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Bis-renovation.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (31%)

Content Size

4.1 MB

After Optimization

2.8 MB

In fact, the total size of Bis-renovation.com main page is 4.1 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 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 65.4 kB

  • Original 79.9 kB
  • After minification 75.4 kB
  • After compression 14.5 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 65.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 89.7 kB

  • Original 2.6 MB
  • After minification 2.5 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. Bis Renovation images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 686.9 kB

  • Original 963.2 kB
  • After minification 907.3 kB
  • After compression 276.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 686.9 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 434.2 kB

  • Original 502.4 kB
  • After minification 385.1 kB
  • After compression 68.2 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. Bis-renovation.com needs all CSS files to be minified and compressed as it can save up to 434.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (55%)

Requests Now

93

After Optimization

42

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bis Renovation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bis-renovation.com accessibility score

62

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bis-renovation.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bis-renovation.com 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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bis-renovation.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Bis-renovation.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 data is detected on the main page of Bis Renovation. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: