Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 70% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 87

    SEO

    Google-friendlier than
    66% of websites

diakonie-duesseldorf.de

Diakonie Düsseldorf | Hilfe in Düsseldorf und der Region

Page Load Speed

4.5 sec in total

First Response

686 ms

Resources Loaded

3.5 sec

Page Rendered

292 ms

diakonie-duesseldorf.de screenshot

About Website

Welcome to diakonie-duesseldorf.de homepage info - get ready to check Diakonie Duesseldorf best content for Germany right away, or after learning these important things about diakonie-duesseldorf.de

Die Diakonie Düsseldorf ist seit mehr als 100 Jahren für alle sozialen Belange der Menschen in Düsseldorf da. Wir begleiten und fördern Menschen. Damit sie ihre Zukunft gestalten können.

Visit diakonie-duesseldorf.de

Key Findings

We analyzed Diakonie-duesseldorf.de page load time and found that the first response time was 686 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

diakonie-duesseldorf.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value2,180 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.421

23/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

diakonie-duesseldorf.de

686 ms

stylesheet_c5e48c400a.css

229 ms

javascript_93077bb238.js

238 ms

bootstrap.css

567 ms

main.css

346 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 91% of them (85 requests) were addressed to the original Diakonie-duesseldorf.de, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Diakonie-duesseldorf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 581.6 kB (16%)

Content Size

3.6 MB

After Optimization

3.0 MB

In fact, the total size of Diakonie-duesseldorf.de main page is 3.6 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. 50% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.4 kB

  • Original 61.1 kB
  • After minification 58.7 kB
  • After compression 11.6 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 49.4 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 192.0 kB

  • Original 3.1 MB
  • After minification 2.9 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. Diakonie Duesseldorf images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 165.9 kB

  • Original 229.3 kB
  • After minification 177.3 kB
  • After compression 63.4 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 165.9 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 174.3 kB

  • Original 201.9 kB
  • After minification 152.2 kB
  • After compression 27.6 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. Diakonie-duesseldorf.de needs all CSS files to be minified and compressed as it can save up to 174.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (30%)

Requests Now

92

After Optimization

64

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diakonie Duesseldorf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

diakonie-duesseldorf.de accessibility score

88

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 have valid values

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

Links do not have a discernible name

Best Practices

diakonie-duesseldorf.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

SEO Factors

diakonie-duesseldorf.de SEO score

87

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diakonie-duesseldorf.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Diakonie-duesseldorf.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 Diakonie Duesseldorf. 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: