Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

zalando.com

Zalando - Shoes and Fashion Online

Page Load Speed

571 ms in total

First Response

167 ms

Resources Loaded

285 ms

Page Rendered

119 ms

zalando.com screenshot

About Website

Click here to check amazing Zalando content for Germany. Otherwise, check out these important facts you probably never knew about zalando.com

Zalando | Buy shoes online: Shoes from top brands.

Visit zalando.com

Key Findings

We analyzed Zalando.com page load time and found that the first response time was 167 ms and then it took 404 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

zalando.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

zalando.com

167 ms

ga.js

4 ms

schuhe.jpg

47 ms

default_landing_jul_15.jpg

91 ms

spriteIcon.png

49 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Zalando.com, 25% (2 requests) were made to Google-analytics.com and 25% (2 requests) were made to Secure-skin.ztat.net. The less responsive or slowest element that took the longest time to load (167 ms) belongs to the original domain Zalando.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.4 kB (7%)

Content Size

193.1 kB

After Optimization

179.7 kB

In fact, the total size of Zalando.com main page is 193.1 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. 15% of websites need less resources to load. Images take 160.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 12.5 kB

  • Original 15.7 kB
  • After minification 14.6 kB
  • After compression 3.1 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 12.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 882 B

  • Original 160.3 kB
  • After minification 159.4 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. Zalando images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zalando. According to our analytics all requests are already optimized.

Accessibility Review

zalando.com accessibility score

100

Accessibility Issues

Best Practices

zalando.com 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

SEO Factors

zalando.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zalando.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zalando.com 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: