Tools & Wizards About Us
robert-zeschke.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

robert-zeschke.de

Robert Zeschke

Page Load Speed

1.6 sec in total

First Response

361 ms

Resources Loaded

1.1 sec

Page Rendered

122 ms

robert-zeschke.de screenshot

About Website

Click here to check amazing Robert Zeschke content. Otherwise, check out these important facts you probably never knew about robert-zeschke.de

Homepage von Robert Zeschke, Student der Wirtschaftsinformatik an der Fachhochschule Stralsund, Masterstudiengang. Entwickler der MediaWiki-Extension WikiHooks.

Visit robert-zeschke.de

Key Findings

We analyzed Robert-zeschke.de page load time and found that the first response time was 361 ms and then it took 1.2 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

robert-zeschke.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

robert-zeschke.de

361 ms

style.css

222 ms

ga.js

5 ms

background.png

272 ms

header.jpg

483 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original Robert-zeschke.de, 15% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (520 ms) belongs to the original domain Robert-zeschke.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.9 kB (26%)

Content Size

138.2 kB

After Optimization

102.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robert-zeschke.de main page is 138.2 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. Images take 114.2 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.4 kB

  • Original 3.7 kB
  • After minification 2.9 kB
  • After compression 1.3 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. This page needs HTML code to be minified as it can gain 833 B, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.4 kB or 64% of the original size.

Image Optimization

-27%

Potential reduce by 31.1 kB

  • Original 114.2 kB
  • After minification 83.1 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, Robert Zeschke needs image optimization as it can save up to 31.1 kB or 27% 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 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-76%

Potential reduce by 2.4 kB

  • Original 3.1 kB
  • After minification 2.6 kB
  • After compression 767 B

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. Robert-zeschke.de needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robert Zeschke. According to our analytics all requests are already optimized.

Network Requests Diagram

robert-zeschke.de

robert-zeschke.de

361 ms

style.css

style.css

222 ms

ga.js

ga.js

5 ms

background.png

background.png

272 ms

header.jpg

header.jpg

483 ms

button_big_act.jpg

button_big_act.jpg

277 ms

button_big.jpg

button_big.jpg

276 ms

back-menue.png

back-menue.png

262 ms

adesso.png

adesso.png

269 ms

Back-down.png

Back-down.png

512 ms

Foot.png

Foot.png

520 ms

footer.jpg

footer.jpg

507 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

robert-zeschke.de accessibility score

92

Accessibility Issues

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

robert-zeschke.de best practices score

75

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

Serves images with low resolution

SEO Factors

robert-zeschke.de SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robert-zeschke.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 Robert-zeschke.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

robert-zeschke.de

Open Graph description is not detected on the main page of Robert Zeschke. 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: