Tools & Wizards About Us
rotkel.de screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rotkel.de

Lektorat, Korrektorat, Buchsatz, Übersetzung DE, EN, PL | Berlin

Page Load Speed

4.6 sec in total

First Response

398 ms

Resources Loaded

3.7 sec

Page Rendered

542 ms

rotkel.de screenshot

About Website

Visit rotkel.de now to see the best up-to-date Rotkel content for Germany and also check out these interesting facts you probably never knew about rotkel.de

Lektorat, Korrektorat, Buchsatz, Übersetzungen. Seit 2010 korrigieren und lektorieren wir für Unternehmen, Politik, Verlage und Wissenschaft.

Visit rotkel.de

Key Findings

We analyzed Rotkel.de page load time and found that the first response time was 398 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rotkel.de performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

rotkel.de

398 ms

rotkel.de

941 ms

stile.css

111 ms

jquery.min.js

26 ms

isotope.pkgd.js

328 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 85% of them (28 requests) were addressed to the original Rotkel.de, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Rotkel.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 974.0 kB (31%)

Content Size

3.2 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rotkel.de main page is 3.2 MB. 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.3 kB

  • Original 16.8 kB
  • After minification 15.8 kB
  • After compression 4.5 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 12.3 kB or 73% of the original size.

Image Optimization

-28%

Potential reduce by 838.5 kB

  • Original 3.0 MB
  • After minification 2.1 MB

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, Rotkel needs image optimization as it can save up to 838.5 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 104.1 kB

  • Original 169.6 kB
  • After minification 112.4 kB
  • After compression 65.4 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 104.1 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 19.1 kB

  • Original 23.2 kB
  • After minification 18.2 kB
  • After compression 4.1 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. Rotkel.de needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (26%)

Requests Now

27

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rotkel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rotkel.de

rotkel.de

398 ms

rotkel.de

rotkel.de

941 ms

stile.css

stile.css

111 ms

jquery.min.js

jquery.min.js

26 ms

isotope.pkgd.js

isotope.pkgd.js

328 ms

index.js

index.js

435 ms

script.js

script.js

472 ms

style_navi.css

style_navi.css

540 ms

stylesheet.css

stylesheet.css

469 ms

stylesheet.css

stylesheet.css

537 ms

analytics.js

analytics.js

32 ms

Logo_gro%C3%9F_ohne.png

Logo_gro%C3%9F_ohne.png

120 ms

phone_rotkel_schwarz.png

phone_rotkel_schwarz.png

114 ms

letter8.png

letter8.png

171 ms

gps45.png

gps45.png

227 ms

Jarek_SW_Circle.jpg

Jarek_SW_Circle.jpg

223 ms

Anabelle_SW_Circle.jpg

Anabelle_SW_Circle.jpg

226 ms

Anke_SW_Circle.jpg

Anke_SW_Circle.jpg

275 ms

Jonas.jpg

Jonas.jpg

938 ms

piper-logo-mobil@2x.png

piper-logo-mobil@2x.png

336 ms

200px-Ch_Links_Verlag_Logo_horizontal.svg.png

200px-Ch_Links_Verlag_Logo_horizontal.svg.png

336 ms

rowohlt-berlin.png

rowohlt-berlin.png

479 ms

200px-Ch_Links_Verlag_Logo_horizontal.svg%20Kopie.png

200px-Ch_Links_Verlag_Logo_horizontal.svg%20Kopie.png

444 ms

jonas.jpg

jonas.jpg

847 ms

Linda.jpg

Linda.jpg

1683 ms

facebook_white.png

facebook_white.png

582 ms

twitter_white.png

twitter_white.png

613 ms

linkedin_white.png

linkedin_white.png

686 ms

2F509F_2_0.woff

2F509F_2_0.woff

1047 ms

2F509F_0_0.woff

2F509F_0_0.woff

1004 ms

collect

collect

12 ms

collect

collect

55 ms

ga-audiences

ga-audiences

37 ms

Accessibility Review

rotkel.de accessibility score

79

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rotkel.de best practices score

67

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

High

Page has valid source maps

SEO Factors

rotkel.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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

rotkel.de

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