Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kolly.com

Accueil - Garage Kolly

Page Load Speed

2.2 sec in total

First Response

489 ms

Resources Loaded

1.4 sec

Page Rendered

217 ms

kolly.com screenshot

About Website

Click here to check amazing Kolly content. Otherwise, check out these important facts you probably never knew about kolly.com

Bienvenue sur la page d'accueil du Groupe Kolly. Découvrez-en plus sur nous et avançons ensemble sur la route du succès.

Visit kolly.com

Key Findings

We analyzed Kolly.com page load time and found that the first response time was 489 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

kolly.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

kolly.com

489 ms

stylesheet35.css

279 ms

nav_left.css

189 ms

mootools-1.2-core.js

646 ms

mootools-1.2-more.js

463 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 82% of them (23 requests) were addressed to the original Kolly.com, 11% (3 requests) were made to Google-analytics.com and 7% (2 requests) were made to 0. The less responsive or slowest element that took the longest time to load (646 ms) belongs to the original domain Kolly.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.9 kB (36%)

Content Size

426.0 kB

After Optimization

272.1 kB

In fact, the total size of Kolly.com main page is 426.0 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. 25% of websites need less resources to load. Images take 228.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 24.3 kB

  • Original 27.0 kB
  • After minification 9.4 kB
  • After compression 2.6 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 17.5 kB, which is 65% 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 24.3 kB or 90% of the original size.

Image Optimization

-6%

Potential reduce by 13.7 kB

  • Original 228.5 kB
  • After minification 214.8 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. Kolly images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 108.4 kB

  • Original 162.0 kB
  • After minification 133.2 kB
  • After compression 53.6 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 108.4 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 7.4 kB

  • Original 8.5 kB
  • After minification 4.7 kB
  • After compression 1.1 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. Kolly.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (15%)

Requests Now

27

After Optimization

23

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kolly.com accessibility score

85

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

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

kolly.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kolly.com SEO score

90

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

    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 Kolly.com 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 Kolly.com 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 Kolly. 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: