Access biotest.com. Biotest AG

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

biotest.com

470 ms

www.biotest.com

492 ms

index.cfm

268 ms

idangerous.swiper.css

223 ms

biotest.css

415 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 87% of them (99 requests) were addressed to the original Biotest.com, 9% (10 requests) were made to Charts3.equitystory.com and 2% (2 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Biotest.com.

Content Size

7.2 MB

After Optimization

6.3 MB

In fact, the total size of Biotest.com main page is 7.2 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. 70% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 141.2 kB

Original 163.3 kB
After minification 151.7 kB
After compression 22.1 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 141.2 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 703.6 kB

Original 6.4 MB
After minification 5.7 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. Obviously, Biotest needs image optimization as it can save up to 703.6 kB or 11% 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 41.7 kB

Original 608.8 kB
After minification 608.8 kB
After compression 567.0 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

-36%

Potential reduce by 14.7 kB

Original 41.1 kB
After minification 34.7 kB
After compression 26.3 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. Biotest.com needs all CSS files to be minified and compressed as it can save up to 14.7 kB or 36% of the original size.

Requests Now

110

After Optimization

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biotest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 9 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

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 Biotest.com 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 Biotest.com 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

biotest.com

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

Biotest AG

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

biotest.com

www.biotest.com

index.cfm

idangerous.swiper.css

biotest.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

biotest.com

www.biotest.com

index.cfm

idangerous.swiper.css

biotest.css

biotest_custom.css

featherlight.min.css

jquery-ui-1.9.2.custom.min.css

jquery.timepicker.min.css

loader.js

uc-block.bundle.js

i18n.js

jquery-1.11.1.min.js

jquery-ui.min.js

jquery.timepicker.min.js

js

bundle.js

jquery.dataTables.min.js

featherlight.min.js

js

lazy.js

idangerous.swiper.js

biotest.js

normalize.css

pin.png

flags16-iso.png

map.png

biotest-AG-from-nature-to-life@2x.png

search.png

Bio_14012_Montage_Unternehmen_2320x960px3.jpg

Bio_14012_Montage_Patienten_2320x960px2.jpg

Bio_14012_Montage_Patienten2_2320x960px1.jpg

Bio_14012_Montage_FE_2320x960px2.jpg

presse_bhne_960x23201.jpg

Bio_14012_Montage_IR_2320x960px1.jpg

karriere.png

Bio_14012_Montage_Kontakt_2320x960px1.jpg

arrow-left.png

arrow-right.png

2320x0964.jpg

2320x0964.jpg

2320x0964.jpg

2320x0964.jpg