Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

dessau-geschichte.de

Dessau Geschichte - von der Gründung der Stadt bis heute

Page Load Speed

12.3 sec in total

First Response

3.5 sec

Resources Loaded

8.5 sec

Page Rendered

290 ms

dessau-geschichte.de screenshot

About Website

Visit dessau-geschichte.de now to see the best up-to-date Dessau Geschichte content and also check out these interesting facts you probably never knew about dessau-geschichte.de

Die Geschichte der Stadt Dessau in einer übersichtlichen Chronologie

Visit dessau-geschichte.de

Key Findings

We analyzed Dessau-geschichte.de page load time and found that the first response time was 3.5 sec and then it took 8.7 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

dessau-geschichte.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

www.dessau-geschichte.de

3516 ms

zentrale.css

720 ms

bildschirm_menue_dessau_geschichte.css

1022 ms

bilder_gross2.js

925 ms

fundament.css

208 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Dessau-geschichte.de, 97% (28 requests) were made to Anhalt-dessau.de. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Dessau-geschichte.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.4 kB (26%)

Content Size

327.5 kB

After Optimization

243.1 kB

In fact, the total size of Dessau-geschichte.de main page is 327.5 kB. 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 250.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 28.4 kB

  • Original 36.7 kB
  • After minification 34.4 kB
  • After compression 8.3 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 28.4 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 22.4 kB

  • Original 250.3 kB
  • After minification 227.9 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. Dessau Geschichte images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 3.0 kB

  • Original 3.7 kB
  • After minification 3.0 kB
  • After compression 629 B

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 3.0 kB or 83% of the original size.

CSS Optimization

-83%

Potential reduce by 30.7 kB

  • Original 36.8 kB
  • After minification 23.6 kB
  • After compression 6.2 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. Dessau-geschichte.de needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (18%)

Requests Now

28

After Optimization

23

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dessau Geschichte. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dessau-geschichte.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

Best Practices

dessau-geschichte.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

dessau-geschichte.de SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dessau-geschichte.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Dessau-geschichte.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 Dessau Geschichte. 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: