Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

duesseldorf-tourismus.de

Visit Düsseldorf - Düsseldorf erleben

Page Load Speed

6.1 sec in total

First Response

290 ms

Resources Loaded

3.5 sec

Page Rendered

2.3 sec

About Website

Visit duesseldorf-tourismus.de now to see the best up-to-date Duesseldorf Tourismus content for Germany and also check out these interesting facts you probably never knew about duesseldorf-tourismus.de

Erleben Sie hervorragende Sehenswürdigkeiten ✅ Buchen Sie tolle Stadtführungen ✅ Informieren Sie sich von A-Z über Düsseldorf ✅ Besuchen Sie uns je...

Visit duesseldorf-tourismus.de

Key Findings

We analyzed Duesseldorf-tourismus.de page load time and found that the first response time was 290 ms and then it took 5.8 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

duesseldorf-tourismus.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

duesseldorf-tourismus.de

290 ms

www.visitduesseldorf.de

536 ms

theme-main.css

33 ms

www.visitduesseldorf.de.js

300 ms

eyeAble.js

336 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Duesseldorf-tourismus.de, 69% (22 requests) were made to Visitduesseldorf.de and 13% (4 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Visitduesseldorf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (3%)

Content Size

36.3 MB

After Optimization

35.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duesseldorf-tourismus.de main page is 36.3 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. 65% of websites need less resources to load. Images take 35.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 139.8 kB

  • Original 174.7 kB
  • After minification 139.3 kB
  • After compression 34.9 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 35.5 kB, which is 20% 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 139.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 872.3 kB

  • Original 35.5 MB
  • After minification 34.7 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. Duesseldorf Tourismus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 346 B

  • Original 523.0 kB
  • After minification 523.0 kB
  • After compression 522.7 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 0 B

  • Original 77.9 kB
  • After minification 77.9 kB
  • After compression 77.9 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. Duesseldorf-tourismus.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (46%)

Requests Now

28

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duesseldorf Tourismus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

duesseldorf-tourismus.de accessibility score

98

Accessibility Issues

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

Best Practices

duesseldorf-tourismus.de 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

duesseldorf-tourismus.de 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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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