Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

zalando.dk

Mode online | Tøj, sko, accessories & beauty | ZALANDO

Page Load Speed

5.5 sec in total

First Response

776 ms

Resources Loaded

4.4 sec

Page Rendered

339 ms

About Website

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

Gratis levering på de fleste ordrer* & gratis retur | Alle Danmarks favoritmærker | Udforsk vores store udvalg af modetøj, sko, accessories & beauty på Zalando.dk

Visit zalando.dk

Key Findings

We analyzed Zalando.dk page load time and found that the first response time was 776 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

zalando.dk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

www.zalando.dk

776 ms

gpt.js

24 ms

zalando.min.css

199 ms

new-face_gender-split_desktop.min.css

120 ms

54b51308a5df9b7e67c8bce5.min.js

747 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Zalando.dk, 16% (24 requests) were made to Static.xx.fbcdn.net and 8% (12 requests) were made to Eu-sonar.sociomantic.com. The less responsive or slowest element that took the longest time to load (931 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (62%)

Content Size

3.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zalando.dk main page is 3.5 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. 60% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 309.4 kB

  • Original 398.0 kB
  • After minification 394.7 kB
  • After compression 88.6 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 309.4 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 5.4 kB

  • Original 542.0 kB
  • After minification 536.5 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. ZALANDO images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 1.5 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 651.6 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 1.5 MB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 327.8 kB

  • Original 397.3 kB
  • After minification 397.1 kB
  • After compression 69.5 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. Zalando.dk needs all CSS files to be minified and compressed as it can save up to 327.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 86 (60%)

Requests Now

143

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZALANDO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zalando.dk accessibility score

75

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

High

[aria-*] attributes do not have valid values

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

High

Links do not have a discernible 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.

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

zalando.dk 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

zalando.dk SEO score

100

Search Engine Optimization Advices

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

    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 Zalando.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 Zalando.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 ZALANDO. 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: