Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

referencement-lyon.com

Default Parallels Plesk Panel Page

Page Load Speed

22.2 sec in total

First Response

759 ms

Resources Loaded

20.7 sec

Page Rendered

791 ms

referencement-lyon.com screenshot

About Website

Welcome to referencement-lyon.com homepage info - get ready to check Referencement Lyon best content right away, or after learning these important things about referencement-lyon.com

Référencement de site web à Lyon - Positionnement sur google et moteur de recherche. Blog de veille sur le referencement et nouvelles tendance SEO

Visit referencement-lyon.com

Key Findings

We analyzed Referencement-lyon.com page load time and found that the first response time was 759 ms and then it took 21.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

referencement-lyon.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value7,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

referencement-lyon.com

759 ms

style.css

257 ms

base.js

192 ms

menu.js

196 ms

plusone.js

44 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 63% of them (19 requests) were addressed to the original Referencement-lyon.com, 20% (6 requests) were made to Apis.google.com and 3% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Affination.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.7 kB (39%)

Content Size

230.8 kB

After Optimization

141.2 kB

In fact, the total size of Referencement-lyon.com main page is 230.8 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. 40% of websites need less resources to load. Javascripts take 94.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.0 kB

  • Original 42.8 kB
  • After minification 40.8 kB
  • After compression 8.8 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 34.0 kB or 79% of the original size.

Image Optimization

-23%

Potential reduce by 17.0 kB

  • Original 72.7 kB
  • After minification 55.6 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. Obviously, Referencement Lyon needs image optimization as it can save up to 17.0 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 21.7 kB

  • Original 94.4 kB
  • After minification 88.8 kB
  • After compression 72.7 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 21.7 kB or 23% of the original size.

CSS Optimization

-81%

Potential reduce by 16.9 kB

  • Original 21.0 kB
  • After minification 17.3 kB
  • After compression 4.0 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. Referencement-lyon.com needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Referencement Lyon. 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 as a result speed up the page load time.

Accessibility Review

referencement-lyon.com accessibility score

69

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

referencement-lyon.com best practices score

58

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

Displays images with incorrect aspect ratio

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

referencement-lyon.com SEO score

71

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Referencement-lyon.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Referencement-lyon.com 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 Referencement Lyon. 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: