Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sergedutouron.com

Vente Cycles VTT et course, pièces détachées vélo - Serge Dutouron SA

Page Load Speed

4.6 sec in total

First Response

344 ms

Resources Loaded

3.8 sec

Page Rendered

428 ms

About Website

Click here to check amazing Serge Dutouron content for France. Otherwise, check out these important facts you probably never knew about sergedutouron.com

Serge Dutouron est le spécialiste de la vente à distance des pièces cycles VTT et Course. Découvrez tous les accessoires pour votre vélo : cadre, roue

Visit sergedutouron.com

Key Findings

We analyzed Sergedutouron.com page load time and found that the first response time was 344 ms and then it took 4.2 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

sergedutouron.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.244

51/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

sergedutouron.com

344 ms

www.sergedutouron.com

889 ms

core+progress.min.css

126 ms

jquery-ui-1.8.newcustom.min.css

250 ms

jqzoom+jquery.lightbox-0.5.min.css

369 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that all of those requests were addressed to Sergedutouron.com and no external sources were called. The less responsive or slowest element that took the longest time to load (905 ms) belongs to the original domain Sergedutouron.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.5 kB (18%)

Content Size

971.2 kB

After Optimization

800.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sergedutouron.com main page is 971.2 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. 35% of websites need less resources to load. Images take 622.6 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 144.7 kB

  • Original 157.6 kB
  • After minification 106.4 kB
  • After compression 12.9 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. This page needs HTML code to be minified as it can gain 51.2 kB, which is 32% 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 144.7 kB or 92% of the original size.

Image Optimization

-4%

Potential reduce by 23.3 kB

  • Original 622.6 kB
  • After minification 599.3 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. Serge Dutouron images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 191.0 kB
  • After minification 191.0 kB
  • After compression 188.5 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 31 (42%)

Requests Now

73

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serge Dutouron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sergedutouron.com accessibility score

68

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

sergedutouron.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

sergedutouron.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sergedutouron.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Sergedutouron.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Serge Dutouron. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: