Tools & Wizards About Us
karl-ulrich-burgdorf.de screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

karl-ulrich-burgdorf.de

Karl-Ulrich Burgdorf · Autor und Übersetzer von Science Fiction & Phantastik aus Münster · Startseite

Page Load Speed

1.7 sec in total

First Response

271 ms

Resources Loaded

1.4 sec

Page Rendered

81 ms

karl-ulrich-burgdorf.de screenshot

About Website

Visit karl-ulrich-burgdorf.de now to see the best up-to-date Karl Ulrich Burgdorf content for Germany and also check out these interesting facts you probably never knew about karl-ulrich-burgdorf.de

Website von Karl-Ulrich Burgdorf alias Henry Wolf, C. T. Bauer, Arl Duncan und Harald Münzer, Autor und Übersetzer von Science Fiction & Phantastik. Mit aktuellen Informationen, einer Biografie, Bibli...

Visit karl-ulrich-burgdorf.de

Key Findings

We analyzed Karl-ulrich-burgdorf.de page load time and found that the first response time was 271 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

karl-ulrich-burgdorf.de performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

karl-ulrich-burgdorf.de

271 ms

karl-ulrich-burgdorf.de

386 ms

jquery.min.js

15 ms

normalize.css

99 ms

frame.css

199 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Karl-ulrich-burgdorf.de, 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (566 ms) belongs to the original domain Karl-ulrich-burgdorf.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.6 kB (18%)

Content Size

621.0 kB

After Optimization

510.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Karl-ulrich-burgdorf.de main page is 621.0 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. Images take 579.6 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.2 kB

  • Original 4.8 kB
  • After minification 4.8 kB
  • After compression 1.6 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 3.2 kB or 66% of the original size.

Image Optimization

-18%

Potential reduce by 106.8 kB

  • Original 579.6 kB
  • After minification 472.8 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. Obviously, Karl Ulrich Burgdorf needs image optimization as it can save up to 106.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 33.3 kB
  • After minification 33.3 kB
  • After compression 33.3 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

-20%

Potential reduce by 654 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.6 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. Karl-ulrich-burgdorf.de needs all CSS files to be minified and compressed as it can save up to 654 B or 20% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karl Ulrich Burgdorf. According to our analytics all requests are already optimized.

Network Requests Diagram

karl-ulrich-burgdorf.de

karl-ulrich-burgdorf.de

271 ms

karl-ulrich-burgdorf.de

karl-ulrich-burgdorf.de

386 ms

jquery.min.js

jquery.min.js

15 ms

normalize.css

normalize.css

99 ms

frame.css

frame.css

199 ms

styles.css

styles.css

269 ms

neue-buecher_nijha-der-attentaeter_w150.jpg

neue-buecher_nijha-der-attentaeter_w150.jpg

338 ms

neue-buecher_lesebuch-dietrich-wachler_ix.png

neue-buecher_lesebuch-dietrich-wachler_ix.png

443 ms

neue-buecher_propaganda-mutanten_ix.jpg

neue-buecher_propaganda-mutanten_ix.jpg

357 ms

neue-buecher_lesebuch-karl-ulrich-burgdorf_ix.png

neue-buecher_lesebuch-karl-ulrich-burgdorf_ix.png

358 ms

neue-buecher_der-schaems-scheuss-virus_neuausgabe_ix.png

neue-buecher_der-schaems-scheuss-virus_neuausgabe_ix.png

468 ms

neue-buecher_jenseits-der-universen_w150_ix.jpg

neue-buecher_jenseits-der-universen_w150_ix.jpg

414 ms

neue-buecher_die-eisteufel_w150_ix.jpg

neue-buecher_die-eisteufel_w150_ix.jpg

436 ms

neue-buecher_der-sammler_w150_ix.png

neue-buecher_der-sammler_w150_ix.png

538 ms

neue-buecher_computer-parasiten_ix.png

neue-buecher_computer-parasiten_ix.png

540 ms

neue-buecher_planet-des-blauen-feuers_ix.jpg

neue-buecher_planet-des-blauen-feuers_ix.jpg

507 ms

neue-buecher_delta-omicron_ix.jpg

neue-buecher_delta-omicron_ix.jpg

533 ms

neue-buecher_magischer-orient_sklavin-und-koenigin_ix.jpg

neue-buecher_magischer-orient_sklavin-und-koenigin_ix.jpg

542 ms

neue-buecher_der-schaems-scheuss-virus_ix.png

neue-buecher_der-schaems-scheuss-virus_ix.png

566 ms

frame-bg.png

frame-bg.png

455 ms

styles-list-type-standard_v2.png

styles-list-type-standard_v2.png

398 ms

Accessibility Review

karl-ulrich-burgdorf.de accessibility score

78

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

Image elements do not have [alt] attributes

Best Practices

karl-ulrich-burgdorf.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

karl-ulrich-burgdorf.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

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Karl-ulrich-burgdorf.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 Karl-ulrich-burgdorf.de main page’s claimed encoding is iso-8859-1. 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

karl-ulrich-burgdorf.de

Open Graph description is not detected on the main page of Karl Ulrich Burgdorf. 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: