Tools & Wizards About Us
donau-arena.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

donau-arena.com

das Stadtwerk.Donau-Arena - das Stadtwerk Regensburg GmbH

Page Load Speed

4.5 sec in total

First Response

353 ms

Resources Loaded

3.9 sec

Page Rendered

239 ms

donau-arena.com screenshot

About Website

Visit donau-arena.com now to see the best up-to-date Donau Arena content and also check out these interesting facts you probably never knew about donau-arena.com

das Stadtwerk.Regensburg bietet den Menschen in Regensburg und der Region attraktive Angebote in Sachen Mobilität und Freizeitaktivitäten. Unsere Mission: Infrastruktur mit Mehrwert.

Visit donau-arena.com

Key Findings

We analyzed Donau-arena.com page load time and found that the first response time was 353 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

donau-arena.com performance score

43

Measured Metrics

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%

Network Requests Diagram

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.5 kB (7%)

Content Size

852.8 kB

After Optimization

789.3 kB

  • HTML
  • Images

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 Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

donau-arena.com

donau-arena.com

353 ms

www.donau-arena.com

www.donau-arena.com

390 ms

donau-arena

donau-arena

574 ms

merged-0d29387c2f2ae43b9a84b015eedaf412-e9f1ea610cef8261aa6b33df2e3660f8.css

merged-0d29387c2f2ae43b9a84b015eedaf412-e9f1ea610cef8261aa6b33df2e3660f8.css

237 ms

news-basic.css

news-basic.css

331 ms

jquery-3-6-3_ui-1-13-2.min.js

jquery-3-6-3_ui-1-13-2.min.js

581 ms

merged-74904349710cbfe855c8bb8180b68afd-e934c029910da7541a2805fc07008cfe.js

merged-74904349710cbfe855c8bb8180b68afd-e934c029910da7541a2805fc07008cfe.js

463 ms

merged-78989e06dcc4c13460022dbd7511afbf-f383dce317f91e9c7c12b0ee7e26e06a.js

merged-78989e06dcc4c13460022dbd7511afbf-f383dce317f91e9c7c12b0ee7e26e06a.js

701 ms

Form.min-e90b678fc5c64af048a38a00e6d3e3aa.js

Form.min-e90b678fc5c64af048a38a00e6d3e3aa.js

467 ms

whitenavi_bg.png

whitenavi_bg.png

137 ms

logo_das-stadtwerk-regensburg_weiss.svg

logo_das-stadtwerk-regensburg_weiss.svg

140 ms

naviblatt.svg

naviblatt.svg

136 ms

whitenavi.png

whitenavi.png

138 ms

whitenavi_before.png

whitenavi_before.png

768 ms

logo_donau_arena_blau.svg

logo_donau_arena_blau.svg

511 ms

suche.svg

suche.svg

246 ms

csm_Donau-Arena-Reinig_ad8f6f1046.jpg

csm_Donau-Arena-Reinig_ad8f6f1046.jpg

1372 ms

arrow_down.svg

arrow_down.svg

247 ms

simongehr_donauarena2022-27_b.jpg

simongehr_donauarena2022-27_b.jpg

693 ms

DonauArena__c_HannoMeier-9545.jpg

DonauArena__c_HannoMeier-9545.jpg

669 ms

csm_PV-Donau-Arena_Gottfried_Hoetzl_c46c278cf9.jpg

csm_PV-Donau-Arena_Gottfried_Hoetzl_c46c278cf9.jpg

672 ms

csm_Donau-Arena-Reinig_391a0ac98e.jpg

csm_Donau-Arena-Reinig_391a0ac98e.jpg

963 ms

up-arrow_weiss.svg

up-arrow_weiss.svg

778 ms

r-leben-icon.svg

r-leben-icon.svg

783 ms

facebook.svg

facebook.svg

807 ms

instagram.svg

instagram.svg

880 ms

youtube.svg

youtube.svg

886 ms

2a34f1f8-d701-4949-b12d-133c1c2636eb.woff

2a34f1f8-d701-4949-b12d-133c1c2636eb.woff

806 ms

7b415a05-784a-4a4c-8c94-67e9288312f5.woff

7b415a05-784a-4a4c-8c94-67e9288312f5.woff

835 ms

239170e6-7f0d-4c35-97d4-490b362e4ef7.woff

239170e6-7f0d-4c35-97d4-490b362e4ef7.woff

907 ms

82bab1eb-0c28-438c-8fc8-0fbe2ccd4835.woff

82bab1eb-0c28-438c-8fc8-0fbe2ccd4835.woff

910 ms

cee82a04-b81c-42aa-82e0-b507f7a3e048.woff

cee82a04-b81c-42aa-82e0-b507f7a3e048.woff

916 ms

roboto-condensed-v18-latin-300.woff

roboto-condensed-v18-latin-300.woff

956 ms

roboto-condensed-v18-latin-700.woff

roboto-condensed-v18-latin-700.woff

997 ms

adc6aa68-bc12-4c1f-932f-2b6fb09f15aa.woff

adc6aa68-bc12-4c1f-932f-2b6fb09f15aa.woff

1021 ms

roboto-v20-latin-300.woff

roboto-v20-latin-300.woff

1083 ms

roboto-v20-latin-regular.woff

roboto-v20-latin-regular.woff

1043 ms

roboto-v20-latin-700.woff

roboto-v20-latin-700.woff

1071 ms

116cde47-4a07-44a5-9fac-cbdcc1f14f79.woff

116cde47-4a07-44a5-9fac-cbdcc1f14f79.woff

1111 ms

5018b5b5-c821-4653-bc74-d0b11d735f1a.woff

5018b5b5-c821-4653-bc74-d0b11d735f1a.woff

1134 ms

Accessibility Review

donau-arena.com accessibility score

87

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

donau-arena.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

donau-arena.com SEO score

100

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

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

donau-arena.com

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: