Tools & Wizards About Us

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bilans-thermiques.fr

BILAN THERMIQUE | Audit Energétique par Thermographie IR

Page Load Speed

3.1 sec in total

First Response

243 ms

Resources Loaded

2.4 sec

Page Rendered

466 ms

About Website

Welcome to bilans-thermiques.fr homepage info - get ready to check BILAN S THERMIQUE best content for France right away, or after learning these important things about bilans-thermiques.fr

Bilan Thermique par Thermographie Infrarouge | Audit Énergétique Maison & Appartement | Ciblez vos Travaux d'isolation, réduction de dépenses énergétiques

Visit bilans-thermiques.fr

Key Findings

We analyzed Bilans-thermiques.fr page load time and found that the first response time was 243 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bilans-thermiques.fr performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value21,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

bilans-thermiques.fr

243 ms

www.bilans-thermiques.fr

635 ms

jcemediabox.css

133 ms

style.css

188 ms

template.css

203 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 66% of them (59 requests) were addressed to the original Bilans-thermiques.fr, 13% (12 requests) were made to Apis.google.com and 6% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Bilans-thermiques.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 844.1 kB (56%)

Content Size

1.5 MB

After Optimization

655.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bilans-thermiques.fr main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 742.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.2 kB

  • Original 54.5 kB
  • After minification 50.7 kB
  • After compression 11.4 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 43.2 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 35.0 kB

  • Original 367.8 kB
  • After minification 332.8 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. BILAN S THERMIQUE images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 489.0 kB

  • Original 742.1 kB
  • After minification 737.9 kB
  • After compression 253.1 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 489.0 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 276.9 kB

  • Original 335.1 kB
  • After minification 318.9 kB
  • After compression 58.1 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. Bilans-thermiques.fr needs all CSS files to be minified and compressed as it can save up to 276.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (57%)

Requests Now

83

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BILAN S THERMIQUE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bilans-thermiques.fr accessibility score

57

Accessibility Issues

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-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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

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

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

bilans-thermiques.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

bilans-thermiques.fr SEO score

93

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bilans-thermiques.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 Bilans-thermiques.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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