Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

velux.dk

VELUX ovenlysvinduer – forvandl dine rum med dagslys

Page Load Speed

5.4 sec in total

First Response

296 ms

Resources Loaded

4.2 sec

Page Rendered

906 ms

About Website

Welcome to velux.dk homepage info - get ready to check VELUX best content for Denmark right away, or after learning these important things about velux.dk

VELUX er verdens førende producent af ovenlysvinduer og gardiner til både skrå og flade tage. Se vores produktsortiment, og find inspiration her!

Visit velux.dk

Key Findings

We analyzed Velux.dk page load time and found that the first response time was 296 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

velux.dk performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value5,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

velux.dk

296 ms

www.velux.dk

438 ms

tailwind.min.css

177 ms

marketing.min.css

196 ms

jquery-3.3.0.min.js

178 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 7% of them (4 requests) were addressed to the original Velux.dk, 84% (48 requests) were made to Velcdn.azureedge.net and 4% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (20%)

Content Size

5.1 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Velux.dk main page is 5.1 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. Only a small number of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 136.8 kB

  • Original 150.6 kB
  • After minification 80.0 kB
  • After compression 13.7 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 70.6 kB, which is 47% 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 136.8 kB or 91% of the original size.

Image Optimization

-19%

Potential reduce by 910.2 kB

  • Original 4.7 MB
  • After minification 3.8 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. Obviously, VELUX needs image optimization as it can save up to 910.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 310 B

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 20.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 88 B

  • Original 268.1 kB
  • After minification 268.1 kB
  • After compression 268.0 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. Velux.dk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (14%)

Requests Now

49

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VELUX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

velux.dk accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

velux.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

velux.dk SEO score

83

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

High

robots.txt is not valid

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

    DA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Velux.dk can be misinterpreted by Google and other search engines. Our service has detected that Danish is used on the page, and it matches the claimed language. Our system also found out that Velux.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 data is detected on the main page of VELUX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: