Tools & Wizards About Us
next-kraftwerke.de screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    40% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

next-kraftwerke.de

Virtuelles Kraftwerk | Direktvermarkter | Stromhändler

Page Load Speed

3.1 sec in total

First Response

390 ms

Resources Loaded

2.3 sec

Page Rendered

377 ms

next-kraftwerke.de screenshot

About Website

Welcome to next-kraftwerke.de homepage info - get ready to check Next Kraftwerk E best content for Germany right away, or after learning these important things about next-kraftwerke.de

Next Kraftwerke betreibt eines der größten Virtuellen Kraftwerke Europas und ist dabei auch Stromhändler & Direktvermarkter. Erfahren Sie hier mehr...

Visit next-kraftwerke.de

Key Findings

We analyzed Next-kraftwerke.de page load time and found that the first response time was 390 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

next-kraftwerke.de performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.326

35/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

next-kraftwerke.de

390 ms

www.next-kraftwerke.de

680 ms

analytics.js

22 ms

style.css

101 ms

bigbluebutton_stylesheet.css

279 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 87% of them (27 requests) were addressed to the original Next-kraftwerke.de, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Rtsys.rtrk.de. The less responsive or slowest element that took the longest time to load (704 ms) belongs to the original domain Next-kraftwerke.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.1 kB (31%)

Content Size

1.1 MB

After Optimization

749.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Next-kraftwerke.de main page is 1.1 MB. 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 671.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 71.1 kB

  • Original 83.3 kB
  • After minification 75.9 kB
  • After compression 12.1 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 71.1 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 46.3 kB

  • Original 671.0 kB
  • After minification 624.7 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. Next Kraftwerk E images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 167.3 kB

  • Original 267.3 kB
  • After minification 267.3 kB
  • After compression 100.0 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 167.3 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 55.4 kB

  • Original 68.0 kB
  • After minification 67.3 kB
  • After compression 12.6 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. Next-kraftwerke.de needs all CSS files to be minified and compressed as it can save up to 55.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Next Kraftwerk E. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

next-kraftwerke.de

next-kraftwerke.de

390 ms

www.next-kraftwerke.de

www.next-kraftwerke.de

680 ms

analytics.js

analytics.js

22 ms

style.css

style.css

101 ms

bigbluebutton_stylesheet.css

bigbluebutton_stylesheet.css

279 ms

jquery.js

jquery.js

379 ms

jquery-migrate.min.js

jquery-migrate.min.js

312 ms

wp-embed.min.js

wp-embed.min.js

310 ms

virtuelles-kraftwerk-simulation.png

virtuelles-kraftwerk-simulation.png

371 ms

collect

collect

18 ms

Verpflichtende-Direktvermarktung-Solar-online.jpg

Verpflichtende-Direktvermarktung-Solar-online.jpg

704 ms

KWK-Brigachschiene-Stromvermarktung-Regelenergie-e1448033543567.jpg

KWK-Brigachschiene-Stromvermarktung-Regelenergie-e1448033543567.jpg

680 ms

nextlogo.png

nextlogo.png

121 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

278 ms

rlrct1.js

rlrct1.js

504 ms

combined.min.js

combined.min.js

197 ms

admin-ajax.php

admin-ajax.php

201 ms

Detecon-Award.jpg

Detecon-Award.jpg

97 ms

Deutscher-Nachhaltigkeitspreis2015.jpg

Deutscher-Nachhaltigkeitspreis2015.jpg

94 ms

Energy-Awards-2014.jpg

Energy-Awards-2014.jpg

96 ms

Entrepreneur-des-Jahres-2015.jpg

Entrepreneur-des-Jahres-2015.jpg

94 ms

Eurelectric-Award-2015-1.jpg

Eurelectric-Award-2015-1.jpg

96 ms

Finalist_Gruenderpreis.jpg

Finalist_Gruenderpreis.jpg

95 ms

GlobalCleantech100_2015.jpg

GlobalCleantech100_2015.jpg

188 ms

hermes-Award-2015.jpg

hermes-Award-2015.jpg

188 ms

KlimaExpoNRW.jpg

KlimaExpoNRW.jpg

189 ms

land-der-Ideen-2015.jpg

land-der-Ideen-2015.jpg

188 ms

getcookie

getcookie

93 ms

Biomasse-Direktvermarktung.jpg

Biomasse-Direktvermarktung.jpg

97 ms

prodselectbg.png

prodselectbg.png

93 ms

produktfindelines.png

produktfindelines.png

95 ms

Accessibility Review

next-kraftwerke.de accessibility score

72

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

next-kraftwerke.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

next-kraftwerke.de SEO score

95

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

    DE

  • Encoding

    UTF-8

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

next-kraftwerke.de

Open Graph description is not detected on the main page of Next Kraftwerk E. 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: