Tools & Wizards About Us

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

biotechnikum.eu

BIOTechnikum: Initiative BIOTechnikum - BIOTechnikum: Initiative BIOTechnikum

Page Load Speed

1.6 sec in total

First Response

364 ms

Resources Loaded

1.1 sec

Page Rendered

166 ms

About Website

Visit biotechnikum.eu now to see the best up-to-date BIOTechnikum content and also check out these interesting facts you probably never knew about biotechnikum.eu

Website der Initiative "BIOTechnikum: Erlebnis Forschung - Gesundheit, Ernährung, Umwelt" des Bundesministeriums für Bildung und Forschung (BMBF) zur Bedeutung, Forschung und Anwendung der modernen Bi...

Visit biotechnikum.eu

Key Findings

We analyzed Biotechnikum.eu page load time and found that the first response time was 364 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

biotechnikum.eu performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

99/100

10%

Network Requests Diagram

biotechnikum.eu

364 ms

www.biotechnikum.eu

194 ms

stylesheet_a6656b30ea.css

15 ms

wtgallery_main.css

44 ms

main.css

29 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that all of those requests were addressed to Biotechnikum.eu and no external sources were called. The less responsive or slowest element that took the longest time to load (364 ms) belongs to the original domain Biotechnikum.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.2 kB (6%)

Content Size

551.4 kB

After Optimization

516.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biotechnikum.eu main page is 551.4 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. 25% of websites need less resources to load. Images take 456.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.7 kB

  • Original 26.7 kB
  • After minification 25.5 kB
  • After compression 6.0 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 20.7 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 456.4 kB
  • After minification 451.4 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. BIOTechnikum images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 2.6 kB

  • Original 48.1 kB
  • After minification 48.1 kB
  • After compression 45.5 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

-34%

Potential reduce by 6.9 kB

  • Original 20.1 kB
  • After minification 18.4 kB
  • After compression 13.2 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. Biotechnikum.eu needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (54%)

Requests Now

50

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BIOTechnikum. 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 from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

biotechnikum.eu accessibility score

61

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

biotechnikum.eu best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Browser errors were logged to the console

SEO Factors

biotechnikum.eu SEO score

54

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

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Document uses plugins

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 Biotechnikum.eu 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 Biotechnikum.eu 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 BIOTechnikum. 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: