Access koizentrum.de. Home

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,840 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.463

19/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

koizentrum.de

2883 ms

jquery-1.3.2.min.js

637 ms

jquery.lightbox-0.5.php

505 ms

jquery.lightbox-0.5.css

221 ms

chili-1.7.pack.js

326 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 88% of them (65 requests) were addressed to the original Koizentrum.de, 4% (3 requests) were made to Wetter24.de and 4% (3 requests) were made to Img.meteogroup.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Koizentrum.de.

Content Size

11.4 MB

After Optimization

11.1 MB

In fact, the total size of Koizentrum.de main page is 11.4 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. 25% of websites need less resources to load. Images take 11.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 45.9 kB

Original 53.6 kB
After minification 48.8 kB
After compression 7.7 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 45.9 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 3.6 kB

Original 11.0 MB
After minification 11.0 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. Koizentrum images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 194.2 kB

Original 280.1 kB
After minification 245.8 kB
After compression 85.9 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 194.2 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 16.9 kB

Original 20.7 kB
After minification 15.9 kB
After compression 3.7 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. Koizentrum.de needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koizentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

N/A
Encoding

UTF-8

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

koizentrum.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Home

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

koizentrum.de

jquery-1.3.2.min.js

jquery.lightbox-0.5.php

jquery.lightbox-0.5.css

chili-1.7.pack.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

koizentrum.de

jquery-1.3.2.min.js

jquery.lightbox-0.5.php

jquery.lightbox-0.5.css

chili-1.7.pack.js

jquery.cycle.all.js

jquery.easing.1.1.1.js

jquery.highlightFade.js

jquery.accordion.js

jwplayer.js

style.css.php

inc.merkliste.js.php

logo_wetter24-de.png

index.php

center_bg.jpg

logo_top.jpg

note.png

menue_bg.jpg

gb.png

nl.png

pt.png

it.png

ru.png

ja.png

es.png

fr.png

da.png

fi.png

no.png

img1033i.jpg

img1034i.jpg

img_1454i.jpg

img_1307i.jpg

img_0538i.jpg

img_0432i.jpg

img_0414i.jpg

img_0378i.jpg

img_0069i.jpg

img_9794i.jpg

TNimg0993i.jpg

TNimg_1428i.jpg

TNimg_9107.JPG

TNimg_0533i565.jpg