Access kathrein.ch. kathrein.ch is available for purchase

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

591 ms

main.css

39 ms

jquery-3.7.1.js

21 ms

reduced.header.min.js

21 ms

tp.widget.bootstrap.min.js

12 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 Kathrein.ch, 10% (2 requests) were made to Sedo.com and 5% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (591 ms) relates to the external source Sedo.com.

Content Size

567.6 kB

After Optimization

519.5 kB

In fact, the total size of Kathrein.ch main page is 567.6 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. 55% of websites need less resources to load. Javascripts take 483.8 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 43.1 kB

Original 65.1 kB
After minification 58.8 kB
After compression 22.1 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. 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 43.1 kB or 66% of the original size.

JavaScript Optimization

-1%

Potential reduce by 4.8 kB

Original 483.8 kB
After minification 483.8 kB
After compression 479.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 216 B

Original 18.6 kB
After minification 18.6 kB
After compression 18.4 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. Kathrein.ch has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kathrein. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kathrein.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Kathrein.ch 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

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