Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

buergerstiftung-duesseldorf.de

Von Düsseldorfern für Düsseldorfer! - BürgerStiftung Düsseldorf

Page Load Speed

10.4 sec in total

First Response

1.3 sec

Resources Loaded

8.9 sec

Page Rendered

296 ms

buergerstiftung-duesseldorf.de screenshot

About Website

Welcome to buergerstiftung-duesseldorf.de homepage info - get ready to check Buerger Stiftung Duesseldorf best content right away, or after learning these important things about buergerstiftung-duesseldorf.de

Die BürgerStiftung Düsseldorf lädt alle Bürgerinnen und Bürger ein, sich für ihre Stadt zu engagieren, um sie noch lebenswerter zu machen. Machen Sie mit!

Visit buergerstiftung-duesseldorf.de

Key Findings

We analyzed Buergerstiftung-duesseldorf.de page load time and found that the first response time was 1.3 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

buergerstiftung-duesseldorf.de performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

16/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

buergerstiftung-duesseldorf.de

1261 ms

www.buergerstiftung-duesseldorf.de

1715 ms

styles.css

308 ms

lightbox.css

306 ms

prototype.js

764 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 74% of them (37 requests) were addressed to the original Buergerstiftung-duesseldorf.de, 8% (4 requests) were made to F.vimeocdn.com and 4% (2 requests) were made to Cms.euroweb.de. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Buergerstiftung-duesseldorf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 509.6 kB (34%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Buergerstiftung-duesseldorf.de main page is 1.5 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 844.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.4 kB

  • Original 13.4 kB
  • After minification 12.9 kB
  • After compression 4.0 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. 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 9.4 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 12.9 kB

  • Original 844.5 kB
  • After minification 831.6 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. Buerger Stiftung Duesseldorf images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 369.2 kB

  • Original 525.6 kB
  • After minification 520.3 kB
  • After compression 156.4 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 369.2 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 118.1 kB

  • Original 134.8 kB
  • After minification 130.8 kB
  • After compression 16.8 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. Buergerstiftung-duesseldorf.de needs all CSS files to be minified and compressed as it can save up to 118.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (34%)

Requests Now

47

After Optimization

31

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buerger Stiftung 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 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

buergerstiftung-duesseldorf.de accessibility score

94

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

Links do not have a discernible name

Best Practices

buergerstiftung-duesseldorf.de best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

buergerstiftung-duesseldorf.de SEO score

94

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buergerstiftung-duesseldorf.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Buergerstiftung-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 Buerger Stiftung 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: