Access vita34.de. #1 Deutsche Stammzellenbank

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value33.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.402

25/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

vita34.de

216 ms

www.vita34.de

1457 ms

modernizr.js

185 ms

bootstrap-grid.min.css

279 ms

style.css

485 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 91% of them (75 requests) were addressed to the original Vita34.de, 1% (1 request) were made to Consent.cookiebot.com and 1% (1 request) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Vita34.de.

Content Size

524.6 kB

After Optimization

181.0 kB

In fact, the total size of Vita34.de main page is 524.6 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. 60% of websites need less resources to load. HTML takes 294.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 233.7 kB

Original 294.1 kB
After minification 293.0 kB
After compression 60.4 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 233.7 kB or 79% of the original size.

JavaScript Optimization

-48%

Potential reduce by 109.8 kB

Original 230.5 kB
After minification 230.5 kB
After compression 120.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 109.8 kB or 48% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VITA 34. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 12 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 keyboard navigation in your application.

High

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

High

Heading elements are not in a sequentially-descending order

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.

High

ARIA IDs are not unique

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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 Vita34.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 Vita34.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 VITA 34. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: