Tools & Wizards About Us
immunologie.charite.de screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

immunologie.charite.de

Institut für Medizinische Immunologie - Charité – Universitätsmedizin Berlin

Page Load Speed

3.7 sec in total

First Response

443 ms

Resources Loaded

2.5 sec

Page Rendered

773 ms

immunologie.charite.de screenshot

About Website

Welcome to immunologie.charite.de homepage info - get ready to check Immunologie Charite best content for Germany right away, or after learning these important things about immunologie.charite.de

Das Institut für Medizinische Immunologie (IMI) an der Charité bildet eine Brücke zwischen Grundlagen- und klinischer Forschung. Schwerpunkt ist die Entwicklung neuer Konzepte für die Pathogenese, Dia...

Visit immunologie.charite.de

Key Findings

We analyzed Immunologie.charite.de page load time and found that the first response time was 443 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

immunologie.charite.de performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value4,270 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

immunologie.charite.de

443 ms

immunologie.charite.de

466 ms

main-ms.css

227 ms

main.js

694 ms

frontend.js

694 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that all of those requests were addressed to Immunologie.charite.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Immunologie.charite.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.9 kB (10%)

Content Size

366.2 kB

After Optimization

329.3 kB

  • HTML
  • Images

In fact, the total size of Immunologie.charite.de main page is 366.2 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. 45% of websites need less resources to load. Images take 336.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.6 kB

  • Original 30.1 kB
  • After minification 24.3 kB
  • After compression 6.5 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 5.9 kB, which is 19% 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 23.6 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 13.3 kB

  • Original 336.1 kB
  • After minification 322.8 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. Immunologie Charite images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Immunologie Charite. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

immunologie.charite.de

immunologie.charite.de

443 ms

immunologie.charite.de

immunologie.charite.de

466 ms

main-ms.css

main-ms.css

227 ms

main.js

main.js

694 ms

frontend.js

frontend.js

694 ms

parsley.js

parsley.js

694 ms

Cell_Startseite_940x420.jpg

Cell_Startseite_940x420.jpg

910 ms

Carmen_Scheibenbogen_200x200_2020.jpg

Carmen_Scheibenbogen_200x200_2020.jpg

807 ms

CVK-Glashalle02_210x124.jpg

CVK-Glashalle02_210x124.jpg

1020 ms

WPE_2194_440x200.jpg

WPE_2194_440x200.jpg

912 ms

Focus-Siegel_2022_270x160.png

Focus-Siegel_2022_270x160.png

903 ms

Siegel_2021_Focus-Beste-Klinik_270x160.jpg

Siegel_2021_Focus-Beste-Klinik_270x160.jpg

806 ms

focus_siegel_2020.jpg

focus_siegel_2020.jpg

911 ms

Focus-Siegel-2019_270x160px.png

Focus-Siegel-2019_270x160px.png

913 ms

focus_siegel_2018.jpg

focus_siegel_2018.jpg

1011 ms

siegel_audit.jpg

siegel_audit.jpg

1016 ms

1_german.svg

1_german.svg

624 ms

1_english.svg

1_english.svg

627 ms

logo.svg

logo.svg

629 ms

navi-network.svg

navi-network.svg

723 ms

navi-portal.svg

navi-portal.svg

728 ms

roboto-300.woff

roboto-300.woff

589 ms

roboto-500.woff

roboto-500.woff

549 ms

charite-icons-2020.woff

charite-icons-2020.woff

445 ms

piwik.js

piwik.js

439 ms

piwik.php

piwik.php

339 ms

Accessibility Review

immunologie.charite.de accessibility score

90

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

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

Links do not have a discernible name

Best Practices

immunologie.charite.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

Page has valid source maps

SEO Factors

immunologie.charite.de SEO score

99

Search Engine Optimization Advices

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 Immunologie.charite.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 Immunologie.charite.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

immunologie.charite.de

Open Graph description is not detected on the main page of Immunologie Charite. 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: