Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

lacentrale-eco.com

Lacentrale-eco pour un habitat durable, économe et performant

Page Load Speed

3.1 sec in total

First Response

617 ms

Resources Loaded

2 sec

Page Rendered

436 ms

lacentrale-eco.com screenshot

About Website

Visit lacentrale-eco.com now to see the best up-to-date Lacentrale Eco content for France and also check out these interesting facts you probably never knew about lacentrale-eco.com

Une sélection de produits de qualité pour les volets roulants Bubendorff, le chauffage, la ventilation, l'eau chaude solaire, la récupération d'eau de pluie et les brises soleils orientables...

Visit lacentrale-eco.com

Key Findings

We analyzed Lacentrale-eco.com page load time and found that the first response time was 617 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lacentrale-eco.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value14,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

lacentrale-eco.com

617 ms

styles.css

92 ms

dropdown.css

170 ms

styles.css

174 ms

styles.css

171 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 63% of them (40 requests) were addressed to the original Lacentrale-eco.com, 13% (8 requests) were made to Apis.google.com and 5% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (840 ms) belongs to the original domain Lacentrale-eco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.9 kB (43%)

Content Size

1.2 MB

After Optimization

669.9 kB

In fact, the total size of Lacentrale-eco.com main page is 1.2 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. 55% of websites need less resources to load. Javascripts take 570.8 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 48.8 kB

  • Original 72.0 kB
  • After minification 71.4 kB
  • After compression 23.1 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 48.8 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 5.2 kB

  • Original 429.4 kB
  • After minification 424.2 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. Lacentrale Eco images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 368.8 kB

  • Original 570.8 kB
  • After minification 541.2 kB
  • After compression 201.9 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 368.8 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 89.1 kB

  • Original 109.7 kB
  • After minification 87.7 kB
  • After compression 20.7 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. Lacentrale-eco.com needs all CSS files to be minified and compressed as it can save up to 89.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (71%)

Requests Now

59

After Optimization

17

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lacentrale Eco. 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 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lacentrale-eco.com accessibility score

84

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.

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

lacentrale-eco.com best practices score

75

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

lacentrale-eco.com SEO score

93

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 uses legible font sizes

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 Lacentrale-eco.com 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 Lacentrale-eco.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 Lacentrale Eco. 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: