Tools & Wizards About Us
lab-o.fr screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

lab-o.fr

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Page Load Speed

6.1 sec in total

First Response

1.3 sec

Resources Loaded

3.7 sec

Page Rendered

1.1 sec

lab-o.fr screenshot

About Website

Click here to check amazing Lab O content. Otherwise, check out these important facts you probably never knew about lab-o.fr

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Key Findings

We analyzed Lab-o.fr page load time and found that the first response time was 1.3 sec and then it took 4.8 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

lab-o.fr performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

lab-o.fr

1349 ms

wp-emoji-release.min.js

314 ms

style.css

161 ms

style.min.css

166 ms

perfect-scrollbar-0.4.6.min.css

162 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 75% of them (45 requests) were addressed to the original Lab-o.fr, 13% (8 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Fast.wistia.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Lab-o.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 985.1 kB (36%)

Content Size

2.7 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lab-o.fr main page is 2.7 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

-81%

Potential reduce by 66.6 kB

  • Original 81.8 kB
  • After minification 78.6 kB
  • After compression 15.2 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 66.6 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 230.9 kB

  • Original 1.4 MB
  • After minification 1.2 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, Lab O needs image optimization as it can save up to 230.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 271.3 kB

  • Original 744.0 kB
  • After minification 743.9 kB
  • After compression 472.7 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 271.3 kB or 36% of the original size.

CSS Optimization

-85%

Potential reduce by 416.2 kB

  • Original 487.3 kB
  • After minification 485.6 kB
  • After compression 71.0 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. Lab-o.fr needs all CSS files to be minified and compressed as it can save up to 416.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab O. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lab-o.fr

lab-o.fr

1349 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

314 ms

style.css

style.css

161 ms

style.min.css

style.min.css

166 ms

perfect-scrollbar-0.4.6.min.css

perfect-scrollbar-0.4.6.min.css

162 ms

animate.min.css

animate.min.css

329 ms

style.min.css

style.min.css

439 ms

default.min.css

default.min.css

758 ms

jquery.js

jquery.js

555 ms

jquery-migrate.min.js

jquery-migrate.min.js

334 ms

op-jquery-base-all.min.js

op-jquery-base-all.min.js

513 ms

flowplayer.min.js

flowplayer.min.js

565 ms

op-video-all.min.js

op-video-all.min.js

660 ms

perfect-scrollbar-0.4.6.with-mousewheel.min.js

perfect-scrollbar-0.4.6.with-mousewheel.min.js

594 ms

css

css

24 ms

iframe-api-v1.js

iframe-api-v1.js

104 ms

css

css

15 ms

popup.min.js

popup.min.js

520 ms

script.min.js

script.min.js

762 ms

wp-embed.min.js

wp-embed.min.js

570 ms

op-front-all.min.js

op-front-all.min.js

767 ms

menus.min.js

menus.min.js

763 ms

gsb7h94igv

gsb7h94igv

88 ms

pattern-vert.jpg

pattern-vert.jpg

529 ms

open-quote-large-fade.png

open-quote-large-fade.png

528 ms

referencement-expert-lyon.png

referencement-expert-lyon.png

533 ms

pattern-vert-300x300.jpg

pattern-vert-300x300.jpg

526 ms

bracket-left-white.png

bracket-left-white.png

513 ms

177.png

177.png

529 ms

134.png

134.png

532 ms

251.png

251.png

533 ms

grey-pattern-300x300.jpg

grey-pattern-300x300.jpg

535 ms

218-alt.png

218-alt.png

533 ms

playbuttonsmall.png

playbuttonsmall.png

534 ms

referencement-google1.png

referencement-google1.png

737 ms

hd.jpg

hd.jpg

637 ms

pbg.jpg

pbg.jpg

721 ms

mrs.jpg

mrs.jpg

689 ms

ap.jpg

ap.jpg

704 ms

sl.jpg

sl.jpg

699 ms

sf.jpg

sf.jpg

882 ms

logo-allobebe-blanc.png

logo-allobebe-blanc.png

853 ms

logo-accor-blanc.png

logo-accor-blanc.png

876 ms

promod-logo-blanc.png

promod-logo-blanc.png

877 ms

logo-compagnie-des-alpes-blanc.png

logo-compagnie-des-alpes-blanc.png

887 ms

chartspecrefnet.jpg

chartspecrefnet.jpg

1535 ms

iframe_shim

iframe_shim

34 ms

2.png

2.png

944 ms

grey-pattern-triangles.jpg

grey-pattern-triangles.jpg

1044 ms

consultant-referencement-11.jpg

consultant-referencement-11.jpg

1552 ms

E-v1.js

E-v1.js

68 ms

JbtMzqLaYbbbCL9X6EvaIxsxEYwM7FgeyaSgU71cLG0.woff

JbtMzqLaYbbbCL9X6EvaIxsxEYwM7FgeyaSgU71cLG0.woff

63 ms

IczWvq5y_Cwwv_rBjOtT0w.woff

IczWvq5y_Cwwv_rBjOtT0w.woff

63 ms

-_Ctzj9b56b8RgXW8FAriRsxEYwM7FgeyaSgU71cLG0.woff

-_Ctzj9b56b8RgXW8FAriRsxEYwM7FgeyaSgU71cLG0.woff

63 ms

iframe_shim

iframe_shim

308 ms

DK0eTGXiZjN6yA8zAEyM2VhlQWQpSCpzb2Peu3I-Q34.woff

DK0eTGXiZjN6yA8zAEyM2VhlQWQpSCpzb2Peu3I-Q34.woff

268 ms

KGBfwabt0ZRLA5W1ywjowfVc48Rxw3pIW-IHeDZiIVI.woff

KGBfwabt0ZRLA5W1ywjowfVc48Rxw3pIW-IHeDZiIVI.woff

268 ms

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

269 ms

toadOcfmlt9b38dHJxOBGNbE_oMaV8t2eFeISPpzbdE.woff

toadOcfmlt9b38dHJxOBGNbE_oMaV8t2eFeISPpzbdE.woff

268 ms

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

267 ms

Accessibility Review

lab-o.fr accessibility score

75

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

Image elements do not have [alt] attributes

Best Practices

lab-o.fr best practices score

67

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

lab-o.fr SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

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 Lab-o.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 Lab-o.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

lab-o.fr

Open Graph description is not detected on the main page of Lab O. 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: