Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

rolf-keppler.de

Hohlwelttheorie, Freie Energie, Wasserauto, Innenweltbild, Satellitenbild, Luftauto, Wasserauto, Pflanzenölauto, Weltraum, Bioenergie, Luftauto

Page Load Speed

1.8 sec in total

First Response

549 ms

Resources Loaded

880 ms

Page Rendered

379 ms

rolf-keppler.de screenshot

About Website

Welcome to rolf-keppler.de homepage info - get ready to check Rolf Keppler best content for Germany right away, or after learning these important things about rolf-keppler.de

Leben wir auf der Innenfläche einer Hohlkugelerde? Hohlwelttheorie, Luftauto, Wasserauto, Pflanzenölauto, Freie Energie, Wasserauto, Innenweltbilder, Hohlwelt,

Visit rolf-keppler.de

Key Findings

We analyzed Rolf-keppler.de page load time and found that the first response time was 549 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

rolf-keppler.de performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value3,480 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

rolf-keppler.de

549 ms

ifr

15 ms

1hinter.jpg

203 ms

indexwillkommen.gif

246 ms

efahne.jpg

204 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 44% of them (8 requests) were addressed to the original Rolf-keppler.de, 17% (3 requests) were made to Youtube.com and 11% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (549 ms) belongs to the original domain Rolf-keppler.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.9 kB (63%)

Content Size

582.1 kB

After Optimization

216.1 kB

In fact, the total size of Rolf-keppler.de main page is 582.1 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. CSS take 244.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.8 kB

  • Original 27.4 kB
  • After minification 25.7 kB
  • After compression 6.5 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 20.8 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 4.6 kB

  • Original 99.4 kB
  • After minification 94.8 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. Rolf Keppler images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 137.9 kB

  • Original 211.1 kB
  • After minification 211.0 kB
  • After compression 73.2 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 137.9 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 202.6 kB

  • Original 244.2 kB
  • After minification 244.1 kB
  • After compression 41.5 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. Rolf-keppler.de needs all CSS files to be minified and compressed as it can save up to 202.6 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rolf Keppler. According to our analytics all requests are already optimized.

Accessibility Review

rolf-keppler.de accessibility score

50

Accessibility Issues

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.

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

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

Best Practices

rolf-keppler.de best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rolf-keppler.de SEO score

69

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rolf-keppler.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rolf-keppler.de main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Rolf Keppler. 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: