Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

serruriers-serrurerie.fr

Serrurier-serrureries, présent à Paris et partout en France pour tous vos besoins en serrurerie.

Page Load Speed

4.6 sec in total

First Response

292 ms

Resources Loaded

3.6 sec

Page Rendered

742 ms

serruriers-serrurerie.fr screenshot

About Website

Visit serruriers-serrurerie.fr now to see the best up-to-date Serrurier S Serrurerie content and also check out these interesting facts you probably never knew about serruriers-serrurerie.fr

Serrurerie et métallerie : pour l'ouverture de portes, l'installation, le remplacement ou la pose de serrures. Découvrez des serruriers abordables pour résoudre tous vos problèmes de serrure...

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Key Findings

We analyzed Serruriers-serrurerie.fr page load time and found that the first response time was 292 ms and then it took 4.3 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

serruriers-serrurerie.fr performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

serrurier-serrureries.fr

292 ms

serrurier-serrureries.fr

470 ms

29af337b6e652cee799b5cfd4feb400a.css

372 ms

Serrurier-de-Proximite.png

378 ms

telephone-call.png

100 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Serruriers-serrurerie.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Serrurier-serrureries.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 996.3 kB (18%)

Content Size

5.4 MB

After Optimization

4.4 MB

In fact, the total size of Serruriers-serrurerie.fr main page is 5.4 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. Only 10% of websites need less resources to load. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 59.7 kB

  • Original 78.0 kB
  • After minification 77.8 kB
  • After compression 18.2 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 59.7 kB or 77% of the original size.

Image Optimization

-17%

Potential reduce by 908.8 kB

  • Original 5.2 MB
  • After minification 4.3 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, Serrurier S Serrurerie needs image optimization as it can save up to 908.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-21%

Potential reduce by 27.7 kB

  • Original 131.1 kB
  • After minification 131.1 kB
  • After compression 103.3 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. Serruriers-serrurerie.fr needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 21% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serrurier S Serrurerie. According to our analytics all requests are already optimized.

Accessibility Review

serruriers-serrurerie.fr accessibility score

96

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

Best Practices

serruriers-serrurerie.fr best practices score

83

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

SEO Factors

serruriers-serrurerie.fr SEO score

100

Search Engine Optimization Advices

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 Serruriers-serrurerie.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 Serruriers-serrurerie.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 data is detected on the main page of Serrurier S Serrurerie. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: