Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

bio-chem24.de

bio-chem Reinigungsmittel | Bio Reiniger mit hoher Effizienz

Page Load Speed

4.8 sec in total

First Response

384 ms

Resources Loaded

3 sec

Page Rendered

1.4 sec

About Website

Visit bio-chem24.de now to see the best up-to-date Bio Chem 24 content and also check out these interesting facts you probably never knew about bio-chem24.de

bio-chem bietet alternative Reiniger aus eigener Herstellung mit einem besonderen Augenmerk auf Nachhaltigkeit, Umwelt- und Gesundheitsschutz.

Visit bio-chem24.de

Key Findings

We analyzed Bio-chem24.de page load time and found that the first response time was 384 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

bio-chem24.de performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value3,490 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

bio-chem24.de

384 ms

www.bio-chem.eu

1113 ms

all.css

952 ms

all.min.css

563 ms

animate.css

517 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Bio-chem24.de, 62% (18 requests) were made to Bio-chem.eu and 10% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Bio-chem.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 429.0 kB (32%)

Content Size

1.3 MB

After Optimization

910.2 kB

In fact, the total size of Bio-chem24.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. HTML takes 459.5 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 427.9 kB

  • Original 459.5 kB
  • After minification 262.3 kB
  • After compression 31.6 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 197.2 kB, which is 43% 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 427.9 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 284.1 kB
  • After minification 284.1 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. Bio Chem 24 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 120 B

  • Original 422.2 kB
  • After minification 422.2 kB
  • After compression 422.1 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

-1%

Potential reduce by 971 B

  • Original 173.3 kB
  • After minification 173.3 kB
  • After compression 172.3 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. Bio-chem24.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (47%)

Requests Now

19

After Optimization

10

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bio Chem 24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bio-chem24.de accessibility score

75

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

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

Image elements do not have [alt] attributes

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.

Best Practices

bio-chem24.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

bio-chem24.de SEO score

92

Search Engine Optimization Advices

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

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 Bio-chem24.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 Bio-chem24.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 data is detected on the main page of Bio Chem 24. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: