Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 87

    SEO

    Google-friendlier than
    66% of websites

cocolis.fr

Envoi de colis, Transport entre particuliers | Cocolis.fr

Page Load Speed

3.9 sec in total

First Response

952 ms

Resources Loaded

1.5 sec

Page Rendered

1.5 sec

cocolis.fr screenshot

About Website

Welcome to cocolis.fr homepage info - get ready to check Cocolis best content for France right away, or after learning these important things about cocolis.fr

Faites livrer vos colis par un particulier qui a de la place dans son coffre ou dans sa valise. Cocolis, le premier site de covoiturage de colis, 100% assuré !

Visit cocolis.fr

Key Findings

We analyzed Cocolis.fr page load time and found that the first response time was 952 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cocolis.fr performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value24.5 s

0/100

10%

TBT (Total Blocking Time)

Value33,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value40.2 s

0/100

10%

Network Requests Diagram

www.cocolis.fr

952 ms

gtm.js

260 ms

tp.widget.bootstrap.min.js

73 ms

polyfills-5cd94c89d3acac5f.js

77 ms

webpack-0886661afe3bd6c1.js

378 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 85% of them (28 requests) were addressed to the original Cocolis.fr, 3% (1 request) were made to Googletagmanager.com and 3% (1 request) were made to Widget.trustpilot.com. The less responsive or slowest element that took the longest time to load (952 ms) belongs to the original domain Cocolis.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.8 kB (47%)

Content Size

459.4 kB

After Optimization

243.6 kB

In fact, the total size of Cocolis.fr main page is 459.4 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. 45% of websites need less resources to load. HTML takes 246.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 186.9 kB

  • Original 246.0 kB
  • After minification 245.9 kB
  • After compression 59.1 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. 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 186.9 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 160.6 kB
  • After minification 160.6 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. Cocolis images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 28.9 kB

  • Original 52.8 kB
  • After minification 52.8 kB
  • After compression 23.9 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 28.9 kB or 55% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (55%)

Requests Now

31

After Optimization

14

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cocolis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cocolis.fr accessibility score

70

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

cocolis.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cocolis.fr SEO score

87

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Cocolis.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 Cocolis.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 Cocolis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: