Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

kolorslab.com

Product Designer UX / UI - Design System maker, Consultant, Nantes

Page Load Speed

12.3 sec in total

First Response

769 ms

Resources Loaded

8.4 sec

Page Rendered

3.1 sec

kolorslab.com screenshot

About Website

Visit kolorslab.com now to see the best up-to-date Kolorslab content for France and also check out these interesting facts you probably never knew about kolorslab.com

designer UX designer UI Intégrateur Front Nantes. Audits UX, Design Thinking, Interfaces utilisateurs, User Experience Design

Visit kolorslab.com

Key Findings

We analyzed Kolorslab.com page load time and found that the first response time was 769 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kolorslab.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

kolorslab.com

769 ms

bootstrap.css

336 ms

hugo.css

235 ms

menu.css

668 ms

jquery.fancybox.css

236 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 53% of them (58 requests) were addressed to the original Kolorslab.com, 11% (12 requests) were made to Fonts.gstatic.com and 6% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (7 sec) belongs to the original domain Kolorslab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (9%)

Content Size

18.5 MB

After Optimization

16.9 MB

In fact, the total size of Kolorslab.com main page is 18.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 17.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 86.6 kB

  • Original 97.6 kB
  • After minification 76.5 kB
  • After compression 11.0 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 21.1 kB, which is 22% 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 86.6 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 873.8 kB

  • Original 17.4 MB
  • After minification 16.6 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. Kolorslab images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 265.4 kB

  • Original 427.5 kB
  • After minification 368.2 kB
  • After compression 162.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 265.4 kB or 62% of the original size.

CSS Optimization

-69%

Potential reduce by 393.0 kB

  • Original 567.0 kB
  • After minification 511.9 kB
  • After compression 174.1 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. Kolorslab.com needs all CSS files to be minified and compressed as it can save up to 393.0 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (43%)

Requests Now

92

After Optimization

52

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolorslab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kolorslab.com accessibility score

73

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

kolorslab.com best practices score

92

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

Page has valid source maps

SEO Factors

kolorslab.com SEO score

92

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

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 Kolorslab.com 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 Kolorslab.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 data is detected on the main page of Kolorslab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: