Tools & Wizards About Us
gelsenwasser.de screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

gelsenwasser.de

Team blau-grün - die Infrastruktur-Spezialisten | Gelsenwasser

Page Load Speed

3.6 sec in total

First Response

420 ms

Resources Loaded

2.8 sec

Page Rendered

435 ms

gelsenwasser.de screenshot

About Website

Visit gelsenwasser.de now to see the best up-to-date Gelsenwasser content for Germany and also check out these interesting facts you probably never knew about gelsenwasser.de

Willkommen beim Team blau-grün von der GELSENWASSER AG. Wir sind Ihre Spezialisten für nachhaltige Infrastruktur für Kommunen und Unternehmen.

Visit gelsenwasser.de

Key Findings

We analyzed Gelsenwasser.de page load time and found that the first response time was 420 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

gelsenwasser.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.36

30/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

420 ms

911 ms

frontend.min.css

158 ms

main.css

480 ms

cookieOptin.css

308 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 95% of them (19 requests) were addressed to the original Gelsenwasser.de, 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Gelsenwasser.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.0 kB (34%)

Content Size

470.7 kB

After Optimization

310.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gelsenwasser.de main page is 470.7 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. Javascripts take 299.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 62.0 kB

  • Original 77.4 kB
  • After minification 74.9 kB
  • After compression 15.4 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 62.0 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 19 B

  • Original 4.0 kB
  • After minification 3.9 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. Gelsenwasser images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 67.5 kB

  • Original 299.2 kB
  • After minification 299.2 kB
  • After compression 231.7 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 67.5 kB or 23% of the original size.

CSS Optimization

-34%

Potential reduce by 30.4 kB

  • Original 90.2 kB
  • After minification 90.2 kB
  • After compression 59.8 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. Gelsenwasser.de needs all CSS files to be minified and compressed as it can save up to 30.4 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gelsenwasser. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

420 ms

911 ms

frontend.min.css

frontend.min.css

158 ms

main.css

main.css

480 ms

cookieOptin.css

cookieOptin.css

308 ms

cookieOptin.js

cookieOptin.js

505 ms

Form.min.js

Form.min.js

587 ms

PowermailCondition.min.js

PowermailCondition.min.js

249 ms

main.js

main.js

1010 ms

embed.js

embed.js

702 ms

gtm.js

gtm.js

99 ms

gelsenwasser-logo-full.svg

gelsenwasser-logo-full.svg

151 ms

gelsenwasser-logo-square.svg

gelsenwasser-logo-square.svg

149 ms

csm_hero_404_fehlerseite_3679d8ec92.jpg

csm_hero_404_fehlerseite_3679d8ec92.jpg

152 ms

csm_newsroom_hero_4953f15772.jpg

csm_newsroom_hero_4953f15772.jpg

185 ms

csm_bg_service_landingpage_d08a29ccf7.jpg

csm_bg_service_landingpage_d08a29ccf7.jpg

244 ms

csm_bg_unternehmen_unser-unternehmen_1970ee8c64.jpg

csm_bg_unternehmen_unser-unternehmen_1970ee8c64.jpg

246 ms

font.woff

font.woff

318 ms

font.woff

font.woff

249 ms

font.woff

font.woff

295 ms

Accessibility Review

gelsenwasser.de accessibility score

96

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

Some elements have a [tabindex] value greater than 0

Best Practices

gelsenwasser.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

gelsenwasser.de SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 Gelsenwasser.de 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 Gelsenwasser.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

gelsenwasser.de

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