Tools & Wizards About Us

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

duesselportal.de

Düsseldorfer - Düsseldorf Deine Heimat - Dein.Name@Duesseldorfer.de

Page Load Speed

22.7 sec in total

First Response

300 ms

Resources Loaded

22.1 sec

Page Rendered

269 ms

About Website

Welcome to duesselportal.de homepage info - get ready to check Duesselportal best content right away, or after learning these important things about duesselportal.de

Düsseldorf ist Deine Heimat. Zeige als Düsseldorfer Deine Verbundenheit zur Landeshauptstadt Düsseldorf mit einer persönlichen E-Mail. Dein.Name@Duesseldorfer.de

Visit duesselportal.de

Key Findings

We analyzed Duesselportal.de page load time and found that the first response time was 300 ms and then it took 22.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

duesselportal.de performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

duesselportal.de

300 ms

www.duesselportal.de

907 ms

master.css

460 ms

language_selector.css

185 ms

rotator.css

186 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 75% of them (69 requests) were addressed to the original Duesselportal.de, 4% (4 requests) were made to Pagead2.googlesyndication.com and 3% (3 requests) were made to Banners.webmasterplan.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Ad-sun.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.3 kB (31%)

Content Size

1.0 MB

After Optimization

704.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duesselportal.de main page is 1.0 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. 45% of websites need less resources to load. Images take 679.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 55.4 kB

  • Original 67.5 kB
  • After minification 59.0 kB
  • After compression 12.0 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 8.4 kB, which is 12% 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 55.4 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 63.7 kB

  • Original 679.7 kB
  • After minification 616.0 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. Duesselportal images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 166.1 kB

  • Original 235.0 kB
  • After minification 157.9 kB
  • After compression 68.9 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 166.1 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 38.0 kB

  • Original 45.6 kB
  • After minification 39.0 kB
  • After compression 7.6 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. Duesselportal.de needs all CSS files to be minified and compressed as it can save up to 38.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (37%)

Requests Now

86

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duesselportal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

duesselportal.de accessibility score

71

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

duesselportal.de best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

duesselportal.de 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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duesselportal.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 Duesselportal.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 description is not detected on the main page of Duesselportal. 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: