Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dus-parken.de

Parken am Flughafen Düsseldorf - sicher & günstig

Page Load Speed

5.6 sec in total

First Response

333 ms

Resources Loaded

4.7 sec

Page Rendered

638 ms

dus-parken.de screenshot

About Website

Click here to check amazing Dus Parken content. Otherwise, check out these important facts you probably never knew about dus-parken.de

Für eine gute Reise von Anfang an - Parken Sie am Flughafen Düsseldorf auf Ihrem Wunsch-Stellplatz. Bei uns steht Ihr Auto garantiert sicher!

Visit dus-parken.de

Key Findings

We analyzed Dus-parken.de page load time and found that the first response time was 333 ms and then it took 5.3 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

dus-parken.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value32.3 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

dus-parken.de

333 ms

parken

1015 ms

2.d2f87a02bc782ec96943.css

594 ms

dus.fb69965bdb226718a806.css

609 ms

js

48 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Dus-parken.de, 69% (18 requests) were made to Dus.com and 12% (3 requests) were made to L.ecn-ldr.de. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Dus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.9 kB (2%)

Content Size

10.0 MB

After Optimization

9.8 MB

In fact, the total size of Dus-parken.de main page is 10.0 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. 25% of websites need less resources to load. Images take 9.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 122.2 kB

  • Original 137.3 kB
  • After minification 80.1 kB
  • After compression 15.1 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. This page needs HTML code to be minified as it can gain 57.2 kB, which is 42% 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 122.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 16.5 kB

  • Original 9.3 MB
  • After minification 9.3 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. Dus Parken images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 89.2 kB

  • Original 442.7 kB
  • After minification 442.7 kB
  • After compression 353.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 89.2 kB or 20% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 94.1 kB
  • After minification 94.1 kB
  • After compression 94.1 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. Dus-parken.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (33%)

Requests Now

21

After Optimization

14

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dus Parken. 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.

Accessibility Review

dus-parken.de accessibility score

77

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dus-parken.de 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

Missing source maps for large first-party JavaScript

SEO Factors

dus-parken.de SEO score

77

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dus-parken.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 Dus-parken.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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