Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

umm.de

Start: Uniklinik Mannheim

Page Load Speed

7.3 sec in total

First Response

1.7 sec

Resources Loaded

5.3 sec

Page Rendered

210 ms

umm.de screenshot

About Website

Visit umm.de now to see the best up-to-date Umm content for Germany and also check out these interesting facts you probably never knew about umm.de

Das Universitätsklinikum Mannheim ist das größte Krankenhaus in Mannheim. Mit modernsten Geräten und Methoden behandeln die Ärzte in den einzelnen Kliniken, Zentren und Instituten nahezu alle Krankhei...

Visit umm.de

Key Findings

We analyzed Umm.de page load time and found that the first response time was 1.7 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

umm.de performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value24.4 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value3,040 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.294

41/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

1710 ms

style.css

200 ms

style.css

202 ms

tx_jfmulticontent_pi1.css

204 ms

stylesheet_442e39f9e4.css

338 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Umm.de, 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source W2.umm.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 552.3 kB (58%)

Content Size

960.0 kB

After Optimization

407.7 kB

In fact, the total size of Umm.de main page is 960.0 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. 20% of websites need less resources to load. Javascripts take 531.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.6 kB

  • Original 27.1 kB
  • After minification 23.6 kB
  • After compression 5.5 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 3.6 kB, which is 13% 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 21.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 475 B

  • Original 286.5 kB
  • After minification 286.0 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. Umm images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 431.7 kB

  • Original 531.1 kB
  • After minification 344.6 kB
  • After compression 99.4 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 431.7 kB or 81% of the original size.

CSS Optimization

-85%

Potential reduce by 98.5 kB

  • Original 115.3 kB
  • After minification 76.8 kB
  • After compression 16.7 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. Umm.de needs all CSS files to be minified and compressed as it can save up to 98.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (36%)

Requests Now

36

After Optimization

23

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Umm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

umm.de accessibility score

73

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

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

<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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

umm.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

umm.de SEO score

83

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

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

High

Tap targets are not sized appropriately

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 Umm.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 Umm.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 Umm. 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: