Tools & Wizards About Us
zwar.de screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

zwar.de

Startseite - ZWAR – Zweckverband Wasserversorgung und Abwasserbehandlung Rügen

Page Load Speed

4.6 sec in total

First Response

388 ms

Resources Loaded

3.9 sec

Page Rendered

269 ms

zwar.de screenshot

About Website

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

Der Zweckverband Wasserversorgung und Abwasserbehandlung Rügen (ZWAR) ist der Zusammenschluss der Städte und Gemeinden der Inseln Rügen, Ummanz und Hiddensee zu einem kommunalen Unternehmen mit der Au...

Visit zwar.de

Key Findings

We analyzed Zwar.de page load time and found that the first response time was 388 ms and then it took 4.2 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

zwar.de performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

zwar.de

388 ms

www.zwar.de

706 ms

css_style.css

197 ms

stylesheet_70e0a32445.css

976 ms

tt_news_v3_styles.css

1876 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 70% of them (23 requests) were addressed to the original Zwar.de, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zwar.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.4 kB (48%)

Content Size

832.1 kB

After Optimization

435.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zwar.de main page is 832.1 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. 30% of websites need less resources to load. Images take 316.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 10.4 kB

  • Original 13.4 kB
  • After minification 10.8 kB
  • After compression 2.9 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 2.6 kB, which is 19% 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 10.4 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 19.4 kB

  • Original 316.3 kB
  • After minification 296.9 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. ZWAR images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 135.1 kB

  • Original 223.7 kB
  • After minification 223.6 kB
  • After compression 88.6 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 135.1 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 231.4 kB

  • Original 278.7 kB
  • After minification 269.4 kB
  • After compression 47.2 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. Zwar.de needs all CSS files to be minified and compressed as it can save up to 231.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (46%)

Requests Now

28

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZWAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zwar.de

zwar.de

388 ms

www.zwar.de

www.zwar.de

706 ms

css_style.css

css_style.css

197 ms

stylesheet_70e0a32445.css

stylesheet_70e0a32445.css

976 ms

tt_news_v3_styles.css

tt_news_v3_styles.css

1876 ms

javascript_a708894199.js

javascript_a708894199.js

1879 ms

ga.js

ga.js

6 ms

body.jpg

body.jpg

109 ms

body_top.jpg

body_top.jpg

109 ms

template_content.png

template_content.png

108 ms

top.jpg

top.jpg

1007 ms

menu.png

menu.png

1007 ms

47b292c647.png

47b292c647.png

229 ms

1ca3fed629.png

1ca3fed629.png

229 ms

main_content_top.png

main_content_top.png

321 ms

main_content_middle.png

main_content_middle.png

321 ms

bergen_03.jpg

bergen_03.jpg

547 ms

tropfen.gif

tropfen.gif

415 ms

bereitschaft_280_280.png

bereitschaft_280_280.png

514 ms

OHSAS_Logo.jpg

OHSAS_Logo.jpg

712 ms

DWA-Zertifizierung_01.jpg

DWA-Zertifizierung_01.jpg

714 ms

dvgw_gw301.png

dvgw_gw301.png

648 ms

gwp_logo_k.jpg

gwp_logo_k.jpg

748 ms

5eafde6a63.png

5eafde6a63.png

812 ms

irNAoTx3vmU

irNAoTx3vmU

86 ms

vpZxhBDpW98

vpZxhBDpW98

72 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

27 ms

www-embed-player.js

www-embed-player.js

53 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

54 ms

ad_status.js

ad_status.js

62 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

89 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

89 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

zwar.de accessibility score

89

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 match their roles

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.

Best Practices

zwar.de 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

SEO Factors

zwar.de SEO score

96

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zwar.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 Zwar.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

zwar.de

Open Graph description is not detected on the main page of ZWAR. 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: