Tools & Wizards About Us
zolando.nl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zolando.nl

Zalando | Kleding, schoenen & accessoires online kopen

Page Load Speed

2.9 sec in total

First Response

217 ms

Resources Loaded

2.2 sec

Page Rendered

509 ms

zolando.nl screenshot

About Website

Welcome to zolando.nl homepage info - get ready to check Zolando best content right away, or after learning these important things about zolando.nl

Zalando online | Mode, beauty, sport & accessoires | Jouw favoriete merken voor dames, heren & kids | Zalando

Visit zolando.nl

Key Findings

We analyzed Zolando.nl page load time and found that the first response time was 217 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zolando.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value4,300 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

zolando.nl

217 ms

www.zalando.nl

646 ms

gpt.js

69 ms

zalando.min.css

216 ms

lpo-8003.css

84 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Zolando.nl, 23% (11 requests) were made to I1.ztat.net and 19% (9 requests) were made to Secure-skin.ztat.net. The less responsive or slowest element that took the longest time to load (941 ms) relates to the external source Track.zalando.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (63%)

Content Size

2.4 MB

After Optimization

895.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zolando.nl main page is 2.4 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. 35% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 308.9 kB

  • Original 396.2 kB
  • After minification 395.1 kB
  • After compression 87.4 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 308.9 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 3.5 kB

  • Original 322.9 kB
  • After minification 319.4 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. Zolando images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 887.7 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 415.1 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 887.7 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 343.8 kB

  • Original 417.2 kB
  • After minification 415.6 kB
  • After compression 73.4 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. Zolando.nl needs all CSS files to be minified and compressed as it can save up to 343.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (36%)

Requests Now

45

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zolando. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zolando.nl

zolando.nl

217 ms

www.zalando.nl

www.zalando.nl

646 ms

gpt.js

gpt.js

69 ms

zalando.min.css

zalando.min.css

216 ms

lpo-8003.css

lpo-8003.css

84 ms

new-face_gender-split_desktop.min.css

new-face_gender-split_desktop.min.css

250 ms

lpo-8003.css

lpo-8003.css

70 ms

new-face_gender-split_desktop.min.css

new-face_gender-split_desktop.min.css

69 ms

webtrekk.min.js

webtrekk.min.js

160 ms

pubads_impl_82.js

pubads_impl_82.js

33 ms

lpo-8298-old-ie.min.css

lpo-8298-old-ie.min.css

9 ms

423 ms

zalando.min.js

zalando.min.js

381 ms

lpo-8003.js

lpo-8003.js

28 ms

lpo-8003.js

lpo-8003.js

12 ms

scc-583-footer.min.js

scc-583-footer.min.js

13 ms

container.html

container.html

25 ms

main_hp-generic_women.jpg

main_hp-generic_women.jpg

559 ms

g-star-1.jpg

g-star-1.jpg

559 ms

main_hp-generic_men.jpg

main_hp-generic_men.jpg

825 ms

main_hp-generic_kids.jpg

main_hp-generic_kids.jpg

865 ms

nl_fashion_award.png

nl_fashion_award.png

720 ms

nl_shoes_award.png

nl_shoes_award.png

683 ms

zalando-logo.png

zalando-logo.png

26 ms

nike-performance.jpg

nike-performance.jpg

556 ms

adidas-performance-1.jpg

adidas-performance-1.jpg

557 ms

topshop.jpg

topshop.jpg

557 ms

topman.jpg

topman.jpg

590 ms

converse-1.jpg

converse-1.jpg

601 ms

jack-jones.jpg

jack-jones.jpg

606 ms

mint-berry-4.jpg

mint-berry-4.jpg

782 ms

diesel.jpg

diesel.jpg

585 ms

only-2.jpg

only-2.jpg

599 ms

thuiswinkel_waarborg__200x69.png

thuiswinkel_waarborg__200x69.png

616 ms

gtm.js

gtm.js

134 ms

wt

wt

941 ms

iconFont.svg

iconFont.svg

94 ms

spriteIcon.png

spriteIcon.png

181 ms

spriteIconNL.png

spriteIconNL.png

181 ms

loader.gif

loader.gif

157 ms

analytics.js

analytics.js

317 ms

imgLoader.gif

imgLoader.gif

131 ms

svgstore.svg

svgstore.svg

359 ms

ec.js

ec.js

8 ms

linkid.js

linkid.js

8 ms

collect

collect

3 ms

collect

collect

58 ms

ga-audiences

ga-audiences

37 ms

Accessibility Review

zolando.nl accessibility score

86

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

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

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

zolando.nl 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

Missing source maps for large first-party JavaScript

SEO Factors

zolando.nl SEO score

92

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

Links do not have descriptive text

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

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zolando.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 Zolando.nl 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

zolando.nl

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