Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

rheinenergie.de

Ihr Energieversorger aus der rheinischen Region - RheinEnergie

Page Load Speed

4.5 sec in total

First Response

314 ms

Resources Loaded

4.1 sec

Page Rendered

88 ms

rheinenergie.de screenshot

About Website

Welcome to rheinenergie.de homepage info - get ready to check Rhein Energie best content right away, or after learning these important things about rheinenergie.de

Strom, Gas, Wasser und Wärme: Wir versorgen Privathaushalte und Unternehmen bundesweit. ► Jetzt online Tarif berechnen lassen!

Visit rheinenergie.de

Key Findings

We analyzed Rheinenergie.de page load time and found that the first response time was 314 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rheinenergie.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

rheinenergie.de

314 ms

www.rheinenergie.com

500 ms

255 ms

revue.css

970 ms

revue.js

1272 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Rheinenergie.de, 57% (4 requests) were made to Web.cdn.rheinenergie.com and 29% (2 requests) were made to Rheinenergie.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Web.cdn.rheinenergie.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.6 kB (10%)

Content Size

521.2 kB

After Optimization

467.7 kB

In fact, the total size of Rheinenergie.de main page is 521.2 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. 15% of websites need less resources to load. Javascripts take 416.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 52.6 kB

  • Original 62.9 kB
  • After minification 62.8 kB
  • After compression 10.2 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 52.6 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 939 B

  • Original 416.0 kB
  • After minification 416.0 kB
  • After compression 415.1 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

-0%

Potential reduce by 0 B

  • Original 42.4 kB
  • After minification 42.4 kB
  • After compression 42.4 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. Rheinenergie.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rhein Energie. According to our analytics all requests are already optimized.

Accessibility Review

rheinenergie.de accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rheinenergie.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

rheinenergie.de SEO score

91

Search Engine Optimization Advices

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

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 Rheinenergie.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 Rheinenergie.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

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