Tools & Wizards About Us
kundenservice.vattenfall.de screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

kundenservice.vattenfall.de

Online Service - Verwalten Sie Ihre Verträge - Vattenfall

Page Load Speed

3.3 sec in total

First Response

502 ms

Resources Loaded

2.6 sec

Page Rendered

202 ms

kundenservice.vattenfall.de screenshot

About Website

Welcome to kundenservice.vattenfall.de homepage info - get ready to check Kunden Service Vattenfall best content for Germany right away, or after learning these important things about kundenservice.vattenfall.de

Verwalten Sie Ihre Verträge online und nutzen Sie weitere Services, z.B. Online-Rechnung, Zählerstände erfassen, Abschläge ändern und vieles mehr.

Visit kundenservice.vattenfall.de

Key Findings

We analyzed Kundenservice.vattenfall.de page load time and found that the first response time was 502 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kundenservice.vattenfall.de performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

kundenservice.vattenfall.de

502 ms

439 ms

service

145 ms

main.css

102 ms

chatBot.css

131 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Kundenservice.vattenfall.de, 57% (12 requests) were made to Static.vattenfall.de and 29% (6 requests) were made to Assets.vattenfall.de. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Assets.vattenfall.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.1 kB (28%)

Content Size

358.1 kB

After Optimization

259.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Kundenservice.vattenfall.de main page is 358.1 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. Javascripts take 224.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 38.5 kB

  • Original 45.3 kB
  • After minification 35.9 kB
  • After compression 6.8 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 9.4 kB, which is 21% 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 38.5 kB or 85% of the original size.

JavaScript Optimization

-27%

Potential reduce by 60.5 kB

  • Original 224.8 kB
  • After minification 224.7 kB
  • After compression 164.2 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 60.5 kB or 27% of the original size.

CSS Optimization

-0%

Potential reduce by 18 B

  • Original 88.0 kB
  • After minification 88.0 kB
  • After compression 88.0 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. Kundenservice.vattenfall.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kunden Service Vattenfall. 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 as a result speed up the page load time.

Network Requests Diagram

kundenservice.vattenfall.de

kundenservice.vattenfall.de

502 ms

439 ms

service

service

145 ms

main.css

main.css

102 ms

chatBot.css

chatBot.css

131 ms

main.js

main.js

152 ms

onetrust_loader.js

onetrust_loader.js

151 ms

piwik_loader.js

piwik_loader.js

153 ms

prominent.js

prominent.js

177 ms

chatBot.js

chatBot.js

153 ms

cascata%3Algdh

cascata%3Algdh

732 ms

handy-versuch-2.png

handy-versuch-2.png

1209 ms

vattenfall-myhighlights-app-app-store.svg

vattenfall-myhighlights-app-app-store.svg

1074 ms

vattenfall-myhighlights-app-google-play-store.svg

vattenfall-myhighlights-app-google-play-store.svg

1071 ms

verbrauch_und_start-at-2x.jpg

verbrauch_und_start-at-2x.jpg

1320 ms

qrcode-servicelp.svg

qrcode-servicelp.svg

1337 ms

VF_logo_linear_grey_RGB.svg

VF_logo_linear_grey_RGB.svg

34 ms

VattenfallHall-Regular.woff

VattenfallHall-Regular.woff

10 ms

VattenfallHall-Heavy.woff

VattenfallHall-Heavy.woff

9 ms

vfde-icons.woff

vfde-icons.woff

10 ms

VattenfallHallDisplay-Bold.woff

VattenfallHallDisplay-Bold.woff

4 ms

Accessibility Review

kundenservice.vattenfall.de accessibility score

88

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kundenservice.vattenfall.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

Missing source maps for large first-party JavaScript

SEO Factors

kundenservice.vattenfall.de SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Kundenservice.vattenfall.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 Kundenservice.vattenfall.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

kundenservice.vattenfall.de

Open Graph data is detected on the main page of Kunden Service Vattenfall. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: