Tools & Wizards About Us

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cle-serrure.fr

Cle-Serrure.fr : Cylindres de porte, Serrures, Doubles de clés

Page Load Speed

4.2 sec in total

First Response

550 ms

Resources Loaded

3.6 sec

Page Rendered

55 ms

About Website

Welcome to cle-serrure.fr homepage info - get ready to check Cle Serrure best content for France right away, or after learning these important things about cle-serrure.fr

Cle-Serrure.fr c'est les plus grandes marques, pour la reproduction de clés, la vente de cylindres, et autres articles de quincaillerie pour la sécurité de la porte.

Visit cle-serrure.fr

Key Findings

We analyzed Cle-serrure.fr page load time and found that the first response time was 550 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

cle-serrure.fr performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.cle-serrure.fr

550 ms

logo-cle-serrure.fr.png

174 ms

jquery-3.6.1-min.js

148 ms

bootstrap.bundle.min.js

128 ms

core.js

122 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cle-serrure.fr, 99% (149 requests) were made to Cdn.cle-serrure.fr and 1% (1 request) were made to Integrations.etrusted.com. The less responsive or slowest element that took the longest time to load (727 ms) relates to the external source Cdn.cle-serrure.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 539.2 kB (30%)

Content Size

1.8 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cle-serrure.fr main page is 1.8 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. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-97%

Potential reduce by 383.5 kB

  • Original 397.0 kB
  • After minification 111.3 kB
  • After compression 13.5 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 285.7 kB, which is 72% 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 383.5 kB or 97% of the original size.

Image Optimization

-11%

Potential reduce by 155.6 kB

  • Original 1.4 MB
  • After minification 1.3 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. Obviously, Cle Serrure needs image optimization as it can save up to 155.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 19 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 22 (15%)

Requests Now

150

After Optimization

128

  • Images
  • JavaScript

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cle Serrure. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cle-serrure.fr accessibility score

83

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

cle-serrure.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cle-serrure.fr 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 Cle-serrure.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 Cle-serrure.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 Cle Serrure. 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: