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Report Summary

About Website

Click here to check amazing Siebenundvierzig content for Germany. Otherwise, check out these important facts you probably never knew about siebenundvierzig.com

siebenundvierzig ist Ihr KNX Systemintegrator für die professionelle Planung und Realisierung von smarten Gebäuden. Lernen Sie uns kennen!

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

siebenundvierzig.com

445 ms

www.siebenundvierzig.com

611 ms

siebenundvierzig.de

340 ms

www.siebenundvierzig.de

911 ms

style.min.css

280 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Siebenundvierzig.com, 88% (51 requests) were made to Siebenundvierzig.de and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Siebenundvierzig.de.

Content Size

1.6 MB

After Optimization

486.0 kB

In fact, the total size of Siebenundvierzig.com 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. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 36.5 kB

Original 47.6 kB
After minification 45.5 kB
After compression 11.2 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 36.5 kB or 77% of the original size.

Image Optimization

-74%

Potential reduce by 30.9 kB

Original 41.9 kB
After minification 11.0 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, Siebenundvierzig needs image optimization as it can save up to 30.9 kB or 74% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 825.2 kB

Original 1.2 MB
After minification 1.2 MB
After compression 418.6 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 825.2 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 260.3 kB

Original 305.5 kB
After minification 260.9 kB
After compression 45.3 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. Siebenundvierzig.com needs all CSS files to be minified and compressed as it can save up to 260.3 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siebenundvierzig. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 13 to 1 for CSS 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 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

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 uses legible font sizes

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 Siebenundvierzig.com 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 Siebenundvierzig.com 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

siebenundvierzig.com

Open Graph data is detected on the main page of Siebenundvierzig. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

siebenundvierzig INGsiebenundvierzig ING - KNX Systemintegrator - Gebäudesystemtechnik - intelligente Gebäudetechnik – KNX Systemintegration

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)