Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

devis-energie-renouvelable.eu

Devis Énergie Renouvelables - Conseils pour vos travaux d’énergie

Page Load Speed

5.4 sec in total

First Response

297 ms

Resources Loaded

4.5 sec

Page Rendered

615 ms

devis-energie-renouvelable.eu screenshot

About Website

Click here to check amazing Devis Energierenouvelable content. Otherwise, check out these important facts you probably never knew about devis-energie-renouvelable.eu

Découvrez ici tous nos conseils pour vos travaux d’énergie renouvelable avant d’entreprendre n’importe quelle installation. C’est parti !

Visit devis-energie-renouvelable.eu

Key Findings

We analyzed Devis-energie-renouvelable.eu page load time and found that the first response time was 297 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

devis-energie-renouvelable.eu performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.7 s

35/100

10%

TBT (Total Blocking Time)

Value9,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

devis-energie-renouvelable.eu

297 ms

www.devis-energie-renouvelable.eu

370 ms

reset.css

98 ms

editor.css

177 ms

main.css

177 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 57% of them (26 requests) were addressed to the original Devis-energie-renouvelable.eu, 13% (6 requests) were made to Gstatic.com and 9% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Les-energies-renouvelables.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.7 kB (23%)

Content Size

441.6 kB

After Optimization

342.0 kB

In fact, the total size of Devis-energie-renouvelable.eu main page is 441.6 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. 60% of websites need less resources to load. Images take 244.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 51.4 kB

  • Original 63.0 kB
  • After minification 58.0 kB
  • After compression 11.6 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. 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 51.4 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 5.2 kB

  • Original 244.9 kB
  • After minification 239.7 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. Devis Energierenouvelable images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 41.1 kB

  • Original 102.2 kB
  • After minification 102.2 kB
  • After compression 61.2 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 41.1 kB or 40% of the original size.

CSS Optimization

-6%

Potential reduce by 2.0 kB

  • Original 31.5 kB
  • After minification 31.5 kB
  • After compression 29.6 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. Devis-energie-renouvelable.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

39

After Optimization

24

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Devis Energierenouvelable. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

devis-energie-renouvelable.eu accessibility score

72

Accessibility Issues

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

Form elements do not have associated labels

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

devis-energie-renouvelable.eu 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

devis-energie-renouvelable.eu SEO score

62

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

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 Devis-energie-renouvelable.eu 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 Devis-energie-renouvelable.eu 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 description is not detected on the main page of Devis Energierenouvelable. 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: