Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

knx.de

Home / KNX Deutschland

Page Load Speed

3.3 sec in total

First Response

336 ms

Resources Loaded

2.7 sec

Page Rendered

229 ms

knx.de screenshot

About Website

Click here to check amazing KNX content for Germany. Otherwise, check out these important facts you probably never knew about knx.de

Home-Description

Visit knx.de

Key Findings

We analyzed Knx.de page load time and found that the first response time was 336 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

knx.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.459

19/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

knx.de

336 ms

462 ms

design.css

204 ms

jquery.fancybox.css

200 ms

royalslider.css

210 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Knx.de, 4% (2 requests) were made to S.ytimg.com and 4% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (924 ms) belongs to the original domain Knx.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 705.6 kB (45%)

Content Size

1.6 MB

After Optimization

878.0 kB

In fact, the total size of Knx.de main page is 1.6 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. 40% of websites need less resources to load. Images take 686.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 19.6 kB

  • Original 24.0 kB
  • After minification 17.2 kB
  • After compression 4.4 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 6.9 kB, which is 29% 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 19.6 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 14.0 kB

  • Original 686.8 kB
  • After minification 672.8 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. KNX images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 322.9 kB

  • Original 464.1 kB
  • After minification 432.2 kB
  • After compression 141.2 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 322.9 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 349.1 kB

  • Original 408.7 kB
  • After minification 360.6 kB
  • After compression 59.7 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. Knx.de needs all CSS files to be minified and compressed as it can save up to 349.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (43%)

Requests Now

40

After Optimization

23

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KNX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

knx.de accessibility score

72

Accessibility Issues

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

knx.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

knx.de SEO score

77

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

    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 Knx.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 Knx.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

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