Tools & Wizards About Us
davidlanius.de screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

davidlanius.de

David Lanius - Research and Education at DebateLab of KIT

Page Load Speed

3.6 sec in total

First Response

346 ms

Resources Loaded

2.9 sec

Page Rendered

294 ms

davidlanius.de screenshot

About Website

Visit davidlanius.de now to see the best up-to-date David Lanius content and also check out these interesting facts you probably never knew about davidlanius.de

I am researcher at DebateLab of KIT and co-director of Forum für Streitkultur with focus on fake news, populism, and public debate.

Visit davidlanius.de

Key Findings

We analyzed Davidlanius.de page load time and found that the first response time was 346 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

davidlanius.de performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

davidlanius.de

346 ms

davidlanius.de

1397 ms

style.min.css

437 ms

af705cd1ec2a8e77d1335ae300a817e5.css

225 ms

dashicons.min.css

539 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 90% of them (27 requests) were addressed to the original Davidlanius.de, 7% (2 requests) were made to Fonts.googleapis.com and 3% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Davidlanius.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.5 kB (61%)

Content Size

569.6 kB

After Optimization

222.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Davidlanius.de main page is 569.6 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. 20% of websites need less resources to load. CSS take 372.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 42.5 kB

  • Original 55.5 kB
  • After minification 54.0 kB
  • After compression 13.0 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 42.5 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 17.6 kB

  • Original 132.5 kB
  • After minification 114.9 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, David Lanius needs image optimization as it can save up to 17.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 6.8 kB

  • Original 9.6 kB
  • After minification 9.6 kB
  • After compression 2.8 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 6.8 kB or 71% of the original size.

CSS Optimization

-75%

Potential reduce by 280.7 kB

  • Original 372.0 kB
  • After minification 371.6 kB
  • After compression 91.3 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. Davidlanius.de needs all CSS files to be minified and compressed as it can save up to 280.7 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of David Lanius. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

davidlanius.de

davidlanius.de

346 ms

davidlanius.de

davidlanius.de

1397 ms

style.min.css

style.min.css

437 ms

af705cd1ec2a8e77d1335ae300a817e5.css

af705cd1ec2a8e77d1335ae300a817e5.css

225 ms

dashicons.min.css

dashicons.min.css

539 ms

14ddc4bd89cb8b7447cea388c913bfd3.css

14ddc4bd89cb8b7447cea388c913bfd3.css

646 ms

162fb8bc21cd45207c742f898bd93203.css

162fb8bc21cd45207c742f898bd93203.css

551 ms

css

css

31 ms

css

css

43 ms

Facebook_2-24x24.png

Facebook_2-24x24.png

335 ms

Facebook-1-24x24.png

Facebook-1-24x24.png

331 ms

Twitter_2-24x24.png

Twitter_2-24x24.png

440 ms

Twitter-1-24x24.png

Twitter-1-24x24.png

439 ms

Linkedin_2-24x24.png

Linkedin_2-24x24.png

447 ms

Linkedin-1-24x24.png

Linkedin-1-24x24.png

554 ms

Header-Lanius.jpg

Header-Lanius.jpg

584 ms

d554cfcea5228c0ee36c787269a04a34.js

d554cfcea5228c0ee36c787269a04a34.js

455 ms

facebook.png

facebook.png

581 ms

twitter.png

twitter.png

583 ms

linkedin.png

linkedin.png

582 ms

xing.png

xing.png

582 ms

academia-e1589274760422.png

academia-e1589274760422.png

646 ms

lanius_researchgate-1.png

lanius_researchgate-1.png

649 ms

lanius_philpeople.png

lanius_philpeople.png

661 ms

4iCs6KVjbNBYlgoKfw7wnU6AFw.woff

4iCs6KVjbNBYlgoKfw7wnU6AFw.woff

21 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

229 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

117 ms

fa-regular-400.ttf

fa-regular-400.ttf

224 ms

fa-brands-400.ttf

fa-brands-400.ttf

281 ms

fa-solid-900.ttf

fa-solid-900.ttf

603 ms

Accessibility Review

davidlanius.de accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

davidlanius.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

davidlanius.de SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Davidlanius.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Davidlanius.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

davidlanius.de

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