Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

Page Load Speed

5.5 sec in total

First Response

326 ms

Resources Loaded

4.9 sec

Page Rendered

288 ms

About Website

Welcome to katharinakellmann-historikerin.de homepage info - get ready to check Katharinakellmann Historikerin best content right away, or after learning these important things about katharinakellmann-historikerin.de

Eine Website für politische Geschichte. Von Karl dem Kühnen bis hin zum Bruch der sozialliberalen Koalition 1982 reicht die Themenpalette.

Visit katharinakellmann-historikerin.de

Key Findings

We analyzed Katharinakellmann-historikerin.de page load time and found that the first response time was 326 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

katharinakellmann-historikerin.de performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

katharinakellmann-historikerin.de

326 ms

katharinakellmann-historikerin.de

3839 ms

autoptimize_de82c7f8c9c7552424935e4c12b988bf.css

223 ms

jquery.min.js

509 ms

autoptimize_d8d3a138b0d777cc249bbe3cdd055dc4.js

328 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Katharinakellmann-historikerin.de and no external sources were called. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Katharinakellmann-historikerin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.9 kB (31%)

Content Size

326.4 kB

After Optimization

225.5 kB

In fact, the total size of Katharinakellmann-historikerin.de main page is 326.4 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. Only 10% of websites need less resources to load. Images take 156.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.2 kB

  • Original 37.8 kB
  • After minification 37.8 kB
  • After compression 9.6 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 28.2 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 574 B

  • Original 156.9 kB
  • After minification 156.3 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. Katharinakellmann Historikerin images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 72.1 kB

  • Original 108.1 kB
  • After minification 108.1 kB
  • After compression 36.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 72.1 kB or 67% of the original size.

CSS Optimization

-0%

Potential reduce by 77 B

  • Original 23.5 kB
  • After minification 23.5 kB
  • After compression 23.5 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. Katharinakellmann-historikerin.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katharinakellmann Historikerin. According to our analytics all requests are already optimized.

Accessibility Review

katharinakellmann-historikerin.de accessibility score

98

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.

Best Practices

katharinakellmann-historikerin.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

SEO Factors

katharinakellmann-historikerin.de SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Katharinakellmann-historikerin.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 Katharinakellmann-historikerin.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 Katharinakellmann Historikerin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: