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kalender.biz screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

kalender.biz

kalender.biz - This website is for sale! - kalender Resources and Information.

Page Load Speed

2.9 sec in total

First Response

376 ms

Resources Loaded

2.2 sec

Page Rendered

261 ms

kalender.biz screenshot

About Website

Visit kalender.biz now to see the best up-to-date Kalender content and also check out these interesting facts you probably never knew about kalender.biz

This website is for sale! kalender.biz is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, kalender.biz has ...

Visit kalender.biz

Key Findings

We analyzed Kalender.biz page load time and found that the first response time was 376 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kalender.biz performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

cyberhafen.com

376 ms

colorbox.css

188 ms

styles.css

277 ms

fileUpload.js

185 ms

jquery.min.js

7 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kalender.biz, 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (893 ms) relates to the external source Cyberhafen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 514.7 kB (74%)

Content Size

694.2 kB

After Optimization

179.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kalender.biz main page is 694.2 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 610.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.3 kB

  • Original 18.4 kB
  • After minification 13.6 kB
  • After compression 4.1 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 4.8 kB, which is 26% 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 14.3 kB or 78% of the original size.

Image Optimization

-73%

Potential reduce by 447.8 kB

  • Original 610.3 kB
  • After minification 162.4 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, Kalender needs image optimization as it can save up to 447.8 kB or 73% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 33.6 kB

  • Original 42.6 kB
  • After minification 30.9 kB
  • After compression 9.0 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 33.6 kB or 79% of the original size.

CSS Optimization

-82%

Potential reduce by 18.9 kB

  • Original 23.0 kB
  • After minification 14.4 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. Kalender.biz needs all CSS files to be minified and compressed as it can save up to 18.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (32%)

Requests Now

19

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kalender. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cyberhafen.com

cyberhafen.com

376 ms

colorbox.css

colorbox.css

188 ms

styles.css

styles.css

277 ms

fileUpload.js

fileUpload.js

185 ms

jquery.min.js

jquery.min.js

7 ms

jquery.colorbox.js

jquery.colorbox.js

362 ms

colorbox.css

colorbox.css

189 ms

nivo-slider.css

nivo-slider.css

191 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

364 ms

cy_background.png

cy_background.png

644 ms

slider1.png

slider1.png

687 ms

nav_arrow.gif

nav_arrow.gif

188 ms

kundenservice.png

kundenservice.png

465 ms

neue_bankverbindung.png

neue_bankverbindung.png

893 ms

Zahlungsarten_navi_rechts.png

Zahlungsarten_navi_rechts.png

544 ms

Beschnitt_umstellen.png

Beschnitt_umstellen.png

638 ms

109432bc6ce31c8f9171891fa1eb9930.png

109432bc6ce31c8f9171891fa1eb9930.png

826 ms

cy_footer_versand.png

cy_footer_versand.png

817 ms

cy_footer1.png

cy_footer1.png

711 ms

cy_footer3.png

cy_footer3.png

715 ms

Accessibility Review

kalender.biz accessibility score

93

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

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

Links do not have a discernible name

Best Practices

kalender.biz 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kalender.biz SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kalender.biz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Kalender.biz 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

kalender.biz

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