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coolz.nl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

coolz.nl

Coolz Startpagina

Page Load Speed

2.3 sec in total

First Response

281 ms

Resources Loaded

1.9 sec

Page Rendered

160 ms

coolz.nl screenshot

About Website

Visit coolz.nl now to see the best up-to-date Coolz content and also check out these interesting facts you probably never knew about coolz.nl

Coolz startpagina vind hier de beste links. Plaats nu ook je eigen links vanaf €1,50 per link.

Visit coolz.nl

Key Findings

We analyzed Coolz.nl page load time and found that the first response time was 281 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

coolz.nl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.287

42/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

coolz.nl

281 ms

jquery-latest.js

10 ms

domainplaceholderbg.png

1035 ms

domainplaceholder.png

1535 ms

domainplaceholdersearch.png

1177 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Coolz.nl, 60% (3 requests) were made to Cdn.cyso.nl and 20% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Cdn.cyso.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 kB (0%)

Content Size

465.4 kB

After Optimization

463.7 kB

  • HTML
  • Images

In fact, the total size of Coolz.nl main page is 465.4 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. 25% of websites need less resources to load. Images take 462.4 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.7 kB

  • Original 3.0 kB
  • After minification 2.9 kB
  • After compression 1.3 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 1.7 kB or 56% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 462.4 kB
  • After minification 462.4 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. Coolz images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coolz. According to our analytics all requests are already optimized.

Network Requests Diagram

coolz.nl

coolz.nl

281 ms

jquery-latest.js

jquery-latest.js

10 ms

domainplaceholderbg.png

domainplaceholderbg.png

1035 ms

domainplaceholder.png

domainplaceholder.png

1535 ms

domainplaceholdersearch.png

domainplaceholdersearch.png

1177 ms

Accessibility Review

coolz.nl accessibility score

76

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.

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

High

Links do not have a discernible name

Best Practices

coolz.nl 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

coolz.nl SEO score

86

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

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coolz.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Coolz.nl main page’s claimed encoding is . 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

coolz.nl

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