Tools & Wizards About Us
karsta.de screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

karsta.de

KARSTA - Webdesign | Onlineshop | Shopmodule | Grafikdesign

Page Load Speed

2.4 sec in total

First Response

404 ms

Resources Loaded

1.9 sec

Page Rendered

114 ms

karsta.de screenshot

About Website

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

Karsta, Ihr Partner für einen erfolgreichen Internetauftritt, Realisierung suchmaschinenoptimierter Websites, Onlineshops und Modified eCommerce Shops

Visit karsta.de

Key Findings

We analyzed Karsta.de page load time and found that the first response time was 404 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

karsta.de performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.123

84/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

karsta.de

404 ms

www.karsta.de

555 ms

stylesheet.css

133 ms

css

22 ms

camera.min.js

422 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 79% of them (15 requests) were addressed to the original Karsta.de, 11% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (555 ms) belongs to the original domain Karsta.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.6 kB (41%)

Content Size

470.1 kB

After Optimization

277.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Karsta.de main page is 470.1 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 200.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 10.6 kB

  • Original 15.1 kB
  • After minification 14.7 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 10.6 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 200.9 kB
  • After minification 198.5 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. KARSTA images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 102.0 kB

  • Original 164.1 kB
  • After minification 164.1 kB
  • After compression 62.1 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 102.0 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 77.6 kB

  • Original 90.0 kB
  • After minification 84.9 kB
  • After compression 12.4 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. Karsta.de needs all CSS files to be minified and compressed as it can save up to 77.6 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KARSTA. According to our analytics all requests are already optimized.

Network Requests Diagram

karsta.de

karsta.de

404 ms

www.karsta.de

www.karsta.de

555 ms

stylesheet.css

stylesheet.css

133 ms

css

css

22 ms

camera.min.js

camera.min.js

422 ms

ga.js

ga.js

5 ms

logo_s.png

logo_s.png

123 ms

logo.png

logo.png

514 ms

bg.png

bg.png

218 ms

logo_bg.png

logo_bg.png

324 ms

gruen.jpg

gruen.jpg

218 ms

point.png

point.png

241 ms

x.gif

x.gif

340 ms

__utm.gif

__utm.gif

12 ms

Y_TKV6o8WovbUd3m_X9aAA.ttf

Y_TKV6o8WovbUd3m_X9aAA.ttf

5 ms

loading.gif

loading.gif

130 ms

camera_skins.png

camera_skins.png

137 ms

design.jpg

design.jpg

224 ms

print.jpg

print.jpg

212 ms

Accessibility Review

karsta.de accessibility score

73

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

karsta.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

karsta.de SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Karsta.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 Karsta.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

karsta.de

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