Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

bilzonen.dk

Bilmærker

Page Load Speed

6.9 sec in total

First Response

330 ms

Resources Loaded

5.9 sec

Page Rendered

744 ms

bilzonen.dk screenshot

About Website

Visit bilzonen.dk now to see the best up-to-date Bilzonen content for Denmark and also check out these interesting facts you probably never knew about bilzonen.dk

BilZonen- et samarbejde mellem 20 bilsites. Køb/salg af brugt bil. Sælg din bil gratis. Læs bilnyheder og test af nye biler.

Visit bilzonen.dk

Key Findings

We analyzed Bilzonen.dk page load time and found that the first response time was 330 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bilzonen.dk performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value40.3 s

0/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value7,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

bilzonen.dk

330 ms

www.bilzonen.dk

755 ms

ads.js

484 ms

jquery.min.js

33 ms

css

26 ms

Our browser made a total of 370 requests to load all elements on the main page. We found that 12% of them (43 requests) were addressed to the original Bilzonen.dk, 27% (101 requests) were made to S0.2mdn.net and 9% (34 requests) were made to S2.adform.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Billeder.bilzonen.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (47%)

Content Size

4.3 MB

After Optimization

2.3 MB

In fact, the total size of Bilzonen.dk main page is 4.3 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. 85% 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. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 99.1 kB

  • Original 121.7 kB
  • After minification 116.1 kB
  • After compression 22.6 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. 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 99.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 83.7 kB

  • Original 1.6 MB
  • After minification 1.6 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. Bilzonen images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 1.6 MB

  • Original 2.2 MB
  • After minification 1.9 MB
  • After compression 684.5 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 1.6 MB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 295.4 kB

  • Original 339.6 kB
  • After minification 242.6 kB
  • After compression 44.1 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. Bilzonen.dk needs all CSS files to be minified and compressed as it can save up to 295.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 214 (63%)

Requests Now

342

After Optimization

128

The browser has sent 342 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bilzonen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 114 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bilzonen.dk 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-*] attributes do not match their roles

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

Best Practices

bilzonen.dk 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

bilzonen.dk SEO score

82

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

    DA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bilzonen.dk can be misinterpreted by Google and other search engines. Our service has detected that Danish 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 Bilzonen.dk 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 Bilzonen. 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: