Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nibe.de

Wärmepumpen | Heizen, Kühlen & Lüften - NIBE | NIBE

Page Load Speed

3.4 sec in total

First Response

154 ms

Resources Loaded

2.7 sec

Page Rendered

497 ms

About Website

Visit nibe.de now to see the best up-to-date NIBE content for Germany and also check out these interesting facts you probably never knew about nibe.de

NIBE Wärmepumpen - die moderne Heizung für Neubau und Altbau-Modernisierung. Heizen, Kühlen, Lüften und Brauchwasserbereitung in einem System.

Visit nibe.de

Key Findings

We analyzed Nibe.de page load time and found that the first response time was 154 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

nibe.de performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

nibe.de

154 ms

www.nibe.de

140 ms

693 ms

sitevision-responsive-grids.css

55 ms

sitevision-spacing.css

45 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Nibe.de, 70% (44 requests) were made to Nibe.eu and 11% (7 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (793 ms) relates to the external source Nibe.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.9 kB (18%)

Content Size

816.6 kB

After Optimization

666.7 kB

In fact, the total size of Nibe.de main page is 816.6 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. 70% of websites need less resources to load. Javascripts take 542.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 148.8 kB

  • Original 180.1 kB
  • After minification 180.0 kB
  • After compression 31.3 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 148.8 kB or 83% of the original size.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 542.5 kB
  • After minification 542.5 kB
  • After compression 541.5 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

-0%

Potential reduce by 97 B

  • Original 94.0 kB
  • After minification 93.9 kB
  • After compression 93.9 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. Nibe.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (60%)

Requests Now

53

After Optimization

21

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIBE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nibe.de accessibility score

85

Accessibility Issues

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

nibe.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nibe.de SEO score

83

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Nibe.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 Nibe.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 NIBE. 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: