Access donau-arena.com. das Stadtwerk.Donau-Arena

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

donau-arena.com

353 ms

www.donau-arena.com

390 ms

donau-arena

574 ms

merged-0d29387c2f2ae43b9a84b015eedaf412-e9f1ea610cef8261aa6b33df2e3660f8.css

237 ms

news-basic.css

331 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Donau-arena.com, 95% (38 requests) were made to Das-stadtwerk-regensburg.de. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Das-stadtwerk-regensburg.de.

Content Size

852.8 kB

After Optimization

789.3 kB

In fact, the total size of Donau-arena.com main page is 852.8 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 782.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 60.2 kB

Original 69.9 kB
After minification 53.6 kB
After compression 9.7 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 16.3 kB, which is 23% 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 60.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 3.3 kB

Original 782.9 kB
After minification 779.6 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. Donau Arena images are well optimized though.

Requests Now

After Optimization

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donau Arena. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

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 Donau-arena.com 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 Donau-arena.com 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 Donau Arena. 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: