Tools & Wizards About Us

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

coliback.com

Le retour de colis en toute simplicité avec ColiBack

Page Load Speed

3.3 sec in total

First Response

219 ms

Resources Loaded

2.8 sec

Page Rendered

263 ms

About Website

Click here to check amazing Coli Back content for Morocco. Otherwise, check out these important facts you probably never knew about coliback.com

ColiBack est une solution simple, rapide et économique pour le retour colis. Renvoyer un colis avec l'un de nos partenaires transport.

Visit coliback.com

Key Findings

We analyzed Coliback.com page load time and found that the first response time was 219 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

coliback.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

coliback.com

219 ms

coliback.com

332 ms

www.coliback.com

201 ms

www.coliback.com

372 ms

265 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 76% of them (44 requests) were addressed to the original Coliback.com, 7% (4 requests) were made to Use.fontawesome.com and 3% (2 requests) were made to Gitcdn.github.io. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Coliback.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.3 kB (21%)

Content Size

226.7 kB

After Optimization

179.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coliback.com main page is 226.7 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. Javascripts take 102.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 32.3 kB

  • Original 39.9 kB
  • After minification 29.1 kB
  • After compression 7.6 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 10.7 kB, which is 27% 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 32.3 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 535 B

  • Original 31.2 kB
  • After minification 30.7 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. Coli Back images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 13.9 kB

  • Original 102.3 kB
  • After minification 102.0 kB
  • After compression 88.4 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 13.9 kB or 14% of the original size.

CSS Optimization

-1%

Potential reduce by 564 B

  • Original 53.3 kB
  • After minification 53.3 kB
  • After compression 52.8 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. Coliback.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (74%)

Requests Now

35

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coli Back. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

coliback.com accessibility score

89

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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 IDs are not unique

Best Practices

coliback.com best practices score

58

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

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

coliback.com SEO score

89

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

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

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coliback.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Coliback.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 Coli Back. 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: