Tools & Wizards About Us
lelab-sines.fr screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lelab-sines.fr

LeLab by SINES - Dimensionnement pour le pompage solaire

Page Load Speed

2.9 sec in total

First Response

258 ms

Resources Loaded

2.5 sec

Page Rendered

140 ms

lelab-sines.fr screenshot

About Website

Welcome to lelab-sines.fr homepage info - get ready to check Le Lab SINES best content right away, or after learning these important things about lelab-sines.fr

LeLab pour choisir votre pompe solaire. Dimensionnez votre pompage solaire facilement, en seulement 2 clics. Dimensionnement solaire pour site isolé.

Visit lelab-sines.fr

Key Findings

We analyzed Lelab-sines.fr page load time and found that the first response time was 258 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

lelab-sines.fr performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value280 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

lelab-sines.fr

258 ms

www.lelab-sines.fr

276 ms

www.lelab-sines.fr

523 ms

analytics.js

24 ms

site_global.css

144 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 79% of them (30 requests) were addressed to the original Lelab-sines.fr, 11% (4 requests) were made to Cdnjs.cloudflare.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (784 ms) belongs to the original domain Lelab-sines.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 499.6 kB (29%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lelab-sines.fr main page is 1.7 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 115.0 kB

  • Original 127.3 kB
  • After minification 104.6 kB
  • After compression 12.3 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 22.7 kB, which is 18% 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 115.0 kB or 90% of the original size.

Image Optimization

-9%

Potential reduce by 107.2 kB

  • Original 1.2 MB
  • After minification 1.1 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. Le Lab SINES images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 176.8 kB

  • Original 285.1 kB
  • After minification 283.2 kB
  • After compression 108.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 176.8 kB or 62% of the original size.

CSS Optimization

-88%

Potential reduce by 100.5 kB

  • Original 113.6 kB
  • After minification 87.6 kB
  • After compression 13.1 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. Lelab-sines.fr needs all CSS files to be minified and compressed as it can save up to 100.5 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (64%)

Requests Now

33

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Le Lab SINES. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lelab-sines.fr

lelab-sines.fr

258 ms

www.lelab-sines.fr

www.lelab-sines.fr

276 ms

www.lelab-sines.fr

www.lelab-sines.fr

523 ms

analytics.js

analytics.js

24 ms

site_global.css

site_global.css

144 ms

master_a-master.css

master_a-master.css

261 ms

index.css

index.css

607 ms

SmoothScroll.min.js

SmoothScroll.min.js

38 ms

jquery.min.js

jquery.min.js

46 ms

wow.min.js

wow.min.js

60 ms

animate.min.css

animate.min.css

52 ms

form_submit.js

form_submit.js

309 ms

require.js

require.js

406 ms

collect

collect

14 ms

js

js

77 ms

lato:n4:default;raleway:n7,n4:default;bebas-neue:n4:default;bree-serif:n4:default.js

lato:n4:default;raleway:n7,n4:default;bebas-neue:n4:default;bree-serif:n4:default.js

2 ms

jonk-logo.png

jonk-logo.png

140 ms

homeslide.jpg

homeslide.jpg

476 ms

blank.gif

blank.gif

116 ms

contact_bg.jpg

contact_bg.jpg

784 ms

jonk-logo-color.png

jonk-logo-color.png

121 ms

u888_states.png

u888_states.png

170 ms

u889_states.png

u889_states.png

169 ms

u890_states.png

u890_states.png

173 ms

u891_states.png

u891_states.png

275 ms

fontawesome-webfont1.woff

fontawesome-webfont1.woff

514 ms

museconfig.js

museconfig.js

266 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

318 ms

museutils.js

museutils.js

229 ms

whatinput.js

whatinput.js

121 ms

jquery.musemenu.js

jquery.musemenu.js

237 ms

jquery.musepolyfill.bgsize.js

jquery.musepolyfill.bgsize.js

241 ms

jquery.watch.js

jquery.watch.js

334 ms

webpro.js

webpro.js

427 ms

musewpslideshow.js

musewpslideshow.js

377 ms

jquery.museoverlay.js

jquery.museoverlay.js

353 ms

touchswipe.js

touchswipe.js

430 ms

jquery.museresponsive.js

jquery.museresponsive.js

440 ms

Accessibility Review

lelab-sines.fr accessibility score

91

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

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

lelab-sines.fr 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

SEO Factors

lelab-sines.fr SEO score

92

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 Lelab-sines.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 Lelab-sines.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

lelab-sines.fr

Open Graph description is not detected on the main page of Le Lab SINES. 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: