Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

group.vattenfall.com

Fossil free living within one generation - Vattenfall

Page Load Speed

2.9 sec in total

First Response

672 ms

Resources Loaded

1.3 sec

Page Rendered

920 ms

group.vattenfall.com screenshot

About Website

Welcome to group.vattenfall.com homepage info - get ready to check Group Vattenfall best content for Germany right away, or after learning these important things about group.vattenfall.com

Vattenfall is a leading European energy company and right now we are working towards fossil free living within one generation. Read more about us here.

Visit group.vattenfall.com

Key Findings

We analyzed Group.vattenfall.com page load time and found that the first response time was 672 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

group.vattenfall.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value1,910 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

group.vattenfall.com

672 ms

container_oa1R01WP.js

678 ms

startpage.css

68 ms

vattenfall_logo.svg

73 ms

search.svg

398 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Group.vattenfall.com, 3% (1 request) were made to Statistics.vattenfall.com and 3% (1 request) were made to Az416426.vo.msecnd.net. The less responsive or slowest element that took the longest time to load (678 ms) relates to the external source Statistics.vattenfall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 275.2 kB (40%)

Content Size

691.1 kB

After Optimization

415.9 kB

In fact, the total size of Group.vattenfall.com main page is 691.1 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. 25% of websites need less resources to load. HTML takes 498.4 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 245.8 kB

  • Original 498.4 kB
  • After minification 491.4 kB
  • After compression 252.6 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 245.8 kB or 49% of the original size.

JavaScript Optimization

-3%

Potential reduce by 3.1 kB

  • Original 110.8 kB
  • After minification 110.8 kB
  • After compression 107.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-32%

Potential reduce by 26.2 kB

  • Original 81.8 kB
  • After minification 81.7 kB
  • After compression 55.7 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. Group.vattenfall.com needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Group 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 from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

group.vattenfall.com accessibility score

100

Accessibility Issues

Best Practices

group.vattenfall.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

High

Page has valid source maps

SEO Factors

group.vattenfall.com SEO score

99

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Group.vattenfall.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Group.vattenfall.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 data is detected on the main page of Group Vattenfall. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: