Access knaufinsulation.de. Dämmung von Knauf Insulation aus Glas-, Stein- und Holzwolle

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

knaufinsulation.de

340 ms

www.knaufinsulation.de

667 ms

www.knaufinsulation.de

1249 ms

node.css

293 ms

defaults.css

291 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 95% of them (113 requests) were addressed to the original Knaufinsulation.de, 3% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Knaufinsulation.de.

Content Size

2.1 MB

After Optimization

1.5 MB

In fact, the total size of Knaufinsulation.de main page is 2.1 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 80.7 kB

Original 102.3 kB
After minification 90.0 kB
After compression 21.6 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 12.3 kB, which is 12% 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 80.7 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 34.5 kB

Original 1.2 MB
After minification 1.2 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. Knauf Insulation images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 401.2 kB

Original 609.8 kB
After minification 558.1 kB
After compression 208.6 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 401.2 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 79.8 kB

Original 98.2 kB
After minification 77.9 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. Knaufinsulation.de needs all CSS files to be minified and compressed as it can save up to 79.8 kB or 81% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knauf Insulation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 18 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 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Knaufinsulation.de 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 Knaufinsulation.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

knaufinsulation.de

Open Graph description is not detected on the main page of Knauf Insulation. 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

Dämmung von Knauf Insulation aus Glas-, Stein- und Holzwolle

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

knaufinsulation.de

www.knaufinsulation.de

www.knaufinsulation.de

node.css

defaults.css

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

knaufinsulation.de

www.knaufinsulation.de

www.knaufinsulation.de

node.css

defaults.css

system.css

system-menus.css

user.css

content-module.css

ckeditor.css

colorbox_default_style.css

date.css

filefield.css

fieldgroup.css

views.css

node_import.css

undo.css

optik.css

sifr.css

turn.css

jquery.min.js

drupal.js

de_cec3d8bfb3d30be1495605ce5011099b.js

jquery.colorbox.js

colorbox.js

colorbox_default_style.js

colorbox_load.js

colorbox_login.js

getdirections.js

googleanalytics.js

spamspan.compressed.js

marker.js

targetgroup.js

base.js

dependent.js

filter.js

jquery.cookie.js

jquery-ui-1.7.3.custom.min.js

addthis_widget.js

jquery.kih-tabs.js

swfobject.js

scripts.js

turn.js