Tools & Wizards About Us
vattenfall.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vattenfall.com

We are working for fossil freedom - Vattenfall

Page Load Speed

3.4 sec in total

First Response

329 ms

Resources Loaded

2.1 sec

Page Rendered

886 ms

vattenfall.com screenshot

About Website

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

Vattenfall is a leading European energy company and we are working for fossil freedom. Read more about us here.

Visit vattenfall.com

Key Findings

We analyzed Vattenfall.com page load time and found that the first response time was 329 ms and then it took 3 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

vattenfall.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

vattenfall.com

329 ms

vattenfall.com

423 ms

group.vattenfall.com

433 ms

cmp.php

407 ms

cmp_final.min.js

224 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Vattenfall.com, 67% (26 requests) were made to Group.vattenfall.com and 13% (5 requests) were made to Cdn.consentmanager.net. The less responsive or slowest element that took the longest time to load (770 ms) relates to the external source Statistics.vattenfall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.4 kB (39%)

Content Size

877.3 kB

After Optimization

533.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Vattenfall.com main page is 877.3 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. HTML takes 582.1 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 312.8 kB

  • Original 582.1 kB
  • After minification 575.2 kB
  • After compression 269.4 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 312.8 kB or 54% of the original size.

JavaScript Optimization

-2%

Potential reduce by 3.4 kB

  • Original 210.2 kB
  • After minification 210.2 kB
  • After compression 206.8 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 27.3 kB

  • Original 85.0 kB
  • After minification 84.8 kB
  • After compression 57.7 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. Vattenfall.com needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (63%)

Requests Now

30

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vattenfall.com

vattenfall.com

329 ms

vattenfall.com

vattenfall.com

423 ms

group.vattenfall.com

group.vattenfall.com

433 ms

cmp.php

cmp.php

407 ms

cmp_final.min.js

cmp_final.min.js

224 ms

container_oa1R01WP.js

container_oa1R01WP.js

770 ms

vattenfall_logo.svg

vattenfall_logo.svg

99 ms

startpage.css

startpage.css

104 ms

ai.0.js

ai.0.js

18 ms

search.svg

search.svg

242 ms

VattenfallHall-Regular.woff

VattenfallHall-Regular.woff

164 ms

VattenfallHall-Medium.woff

VattenfallHall-Medium.woff

182 ms

VattenfallHall-Light.woff

VattenfallHall-Light.woff

308 ms

VattenfallHall-Bold.woff

VattenfallHall-Bold.woff

384 ms

VattenfallHall-Heavy.woff

VattenfallHall-Heavy.woff

218 ms

runtime.js

runtime.js

202 ms

main.js

main.js

595 ms

ieNotSupported.js

ieNotSupported.js

208 ms

designlibrary.css

designlibrary.css

482 ms

main_s.css

main_s.css

223 ms

main-phone-xl.css

main-phone-xl.css

174 ms

main-tablet.css

main-tablet.css

209 ms

main-desktop.css

main-desktop.css

284 ms

main-desktop-xl.css

main-desktop-xl.css

242 ms

VattenfallHallDisplay-Bold.woff

VattenfallHallDisplay-Bold.woff

248 ms

cmp.php

cmp.php

110 ms

bV8xLndfNzUwMDQucl9HRFBSLmxfZW4uZF8yOTAzOS54XzEyOC52LnAudF8yOTAzOS54dF8xMjg.js

bV8xLndfNzUwMDQucl9HRFBSLmxfZW4uZF8yOTAzOS54XzEyOC52LnAudF8yOTAzOS54dF8xMjg.js

13 ms

recall_shield.svg

recall_shield.svg

18 ms

120 ms

logo1650975178x4375.gif

logo1650975178x4375.gif

14 ms

en.gif

en.gif

25 ms

201 ms

VF_download_pdf_blue_rgb.svg

VF_download_pdf_blue_rgb.svg

122 ms

VF_open_new_window_blue_rgb.svg

VF_open_new_window_blue_rgb.svg

184 ms

x_social.svg

x_social.svg

63 ms

Linkedin.svg

Linkedin.svg

205 ms

Youtube.svg

Youtube.svg

106 ms

Instagram.svg

Instagram.svg

390 ms

Facebook.svg

Facebook.svg

86 ms

Accessibility Review

vattenfall.com accessibility score

98

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

Links do not have a discernible name

Best Practices

vattenfall.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

vattenfall.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

vattenfall.com

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