Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

ltb.fr

Climatisation sans unité extérieure pour centre-ville et commerces - LTB

Page Load Speed

4.7 sec in total

First Response

1 sec

Resources Loaded

3.5 sec

Page Rendered

173 ms

ltb.fr screenshot

About Website

Visit ltb.fr now to see the best up-to-date LTB content for France and also check out these interesting facts you probably never knew about ltb.fr

La Thermodynamique de Bretagne

Visit ltb.fr

Key Findings

We analyzed Ltb.fr page load time and found that the first response time was 1 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ltb.fr performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

www.ltb.fr

1013 ms

language-selector.css

249 ms

style.css

414 ms

validationEngine.jquery.css

495 ms

wpv-pagination.css

1415 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Ltb.fr, 70% (23 requests) were made to Cluster006.ovh.net and 9% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Cluster006.ovh.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.1 kB (63%)

Content Size

382.8 kB

After Optimization

142.7 kB

In fact, the total size of Ltb.fr main page is 382.8 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. 30% of websites need less resources to load. Javascripts take 253.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.9 kB

  • Original 14.8 kB
  • After minification 14.5 kB
  • After compression 3.9 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 10.9 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 1.3 kB

  • Original 64.6 kB
  • After minification 63.3 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. LTB images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 186.5 kB

  • Original 253.7 kB
  • After minification 208.6 kB
  • After compression 67.2 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 186.5 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 41.4 kB

  • Original 49.7 kB
  • After minification 35.4 kB
  • After compression 8.3 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. Ltb.fr needs all CSS files to be minified and compressed as it can save up to 41.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (52%)

Requests Now

27

After Optimization

13

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LTB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ltb.fr accessibility score

80

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.

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

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

Best Practices

ltb.fr best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ltb.fr SEO score

91

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

High

Tap targets are not sized appropriately

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 Ltb.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 Ltb.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

Open Graph description is not detected on the main page of LTB. 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: