Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

luftreinigerdepot.de

Luftreiniger vom Experten | Gegen » Viren, Allergien & Rauch

Page Load Speed

4.8 sec in total

First Response

366 ms

Resources Loaded

4.3 sec

Page Rendered

148 ms

About Website

Welcome to luftreinigerdepot.de homepage info - get ready to check Luftreiniger Depot best content for Germany right away, or after learning these important things about luftreinigerdepot.de

Luftreiniger Online-Shop » Alle Profimarken ✓ Gegen: Viren ✓ Allergien ✓ Rauch ✓ Staub ✓ | 0€ Versand ➥ Jetzt passendes Gerät finden!

Visit luftreinigerdepot.de

Key Findings

We analyzed Luftreinigerdepot.de page load time and found that the first response time was 366 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

luftreinigerdepot.de performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value2,370 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

luftreinigerdepot.de

366 ms

www.luftreinigerdepot.de

617 ms

optimize.js

112 ms

1715062189_227f19db97a609e5e102a50791e3503d.css

299 ms

font-awesome.min.css

52 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 48% of them (12 requests) were addressed to the original Luftreinigerdepot.de, 12% (3 requests) were made to L.ecn-ldr.de and 12% (3 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Uct.service.usercentrics.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 465.8 kB (36%)

Content Size

1.3 MB

After Optimization

839.6 kB

In fact, the total size of Luftreinigerdepot.de main page is 1.3 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. 60% of websites need less resources to load. Javascripts take 664.3 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 415.1 kB

  • Original 447.6 kB
  • After minification 201.5 kB
  • After compression 32.5 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 246.1 kB, which is 55% 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 415.1 kB or 93% of the original size.

Image Optimization

-33%

Potential reduce by 4.3 kB

  • Original 12.9 kB
  • After minification 8.7 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, Luftreiniger Depot needs image optimization as it can save up to 4.3 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 46.4 kB

  • Original 664.3 kB
  • After minification 664.3 kB
  • After compression 617.9 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 0 B

  • Original 180.5 kB
  • After minification 180.5 kB
  • After compression 180.5 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. Luftreinigerdepot.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luftreiniger Depot. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

luftreinigerdepot.de accessibility score

81

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

button, link, and menuitem elements do not have accessible names.

High

[role]s are not contained by their required parent element

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

luftreinigerdepot.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

Missing source maps for large first-party JavaScript

SEO Factors

luftreinigerdepot.de SEO score

93

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

    N/A

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luftreinigerdepot.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Luftreinigerdepot.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 Luftreiniger Depot. 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: