Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

laboratoire-referencement.fr

Laboratoire Référencement : Test Seo

Page Load Speed

1.5 sec in total

First Response

296 ms

Resources Loaded

1.1 sec

Page Rendered

117 ms

laboratoire-referencement.fr screenshot

About Website

Click here to check amazing Laboratoire Refe Rencement content. Otherwise, check out these important facts you probably never knew about laboratoire-referencement.fr

Découvrez le laboratoire du référencement ! Test des critères utilisés par les moteurs de recherche : Google, Yahoo et Bing.

Visit laboratoire-referencement.fr

Key Findings

We analyzed Laboratoire-referencement.fr page load time and found that the first response time was 296 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

laboratoire-referencement.fr performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

laboratoire-referencement.fr

296 ms

www.laboratoire-referencement.fr

314 ms

contenu.css

111 ms

jeu-referencement.jpg

349 ms

faq-referencement.gif

506 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 71% of them (10 requests) were addressed to the original Laboratoire-referencement.fr, 14% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to Faq-referencement.fr. The less responsive or slowest element that took the longest time to load (506 ms) relates to the external source Oseox.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.0 kB (35%)

Content Size

109.1 kB

After Optimization

71.1 kB

In fact, the total size of Laboratoire-referencement.fr main page is 109.1 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. 15% of websites need less resources to load. Images take 48.6 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 4.1 kB

  • Original 6.2 kB
  • After minification 5.5 kB
  • After compression 2.1 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 709 B, which is 11% 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 4.1 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 127 B

  • Original 48.6 kB
  • After minification 48.5 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. Laboratoire Refe Rencement images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

CSS Optimization

-91%

Potential reduce by 33.7 kB

  • Original 37.2 kB
  • After minification 33.4 kB
  • After compression 3.5 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. Laboratoire-referencement.fr needs all CSS files to be minified and compressed as it can save up to 33.7 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laboratoire Refe Rencement. According to our analytics all requests are already optimized.

Accessibility Review

laboratoire-referencement.fr accessibility score

76

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.

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

Form elements do not have associated labels

Best Practices

laboratoire-referencement.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

High

Browser errors were logged to the console

SEO Factors

laboratoire-referencement.fr SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laboratoire-referencement.fr can be misinterpreted by Google and other search engines. Our service has detected that French 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 Laboratoire-referencement.fr 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 description is not detected on the main page of Laboratoire Refe Rencement. 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: