Tools & Wizards About Us
charite-research.de screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

charite-research.de

Klinische Studien für Probanden an der Charité Berlin

Page Load Speed

2.1 sec in total

First Response

330 ms

Resources Loaded

1.5 sec

Page Rendered

280 ms

charite-research.de screenshot

About Website

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

Klinische Studien für gesunde Probanden und Patienten. Hier erfahren Sie alles über die klinischen Studien der Charité Research Organisation (CRO) in Berlin.

Visit charite-research.de

Key Findings

We analyzed Charite-research.de page load time and found that the first response time was 330 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

charite-research.de performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

charite-research.de

330 ms

probanden.charite-research.de

616 ms

css_IdDHqOQCVJ5zMhELOtKnPJhG3jv9FTWwaz1GpD8HCig.css

197 ms

css_pkJm5wbPYkWMGlg4mfwjvNThNweGDDEaH2H9GxRa7pk.css

402 ms

logo.svg

300 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Charite-research.de, 94% (16 requests) were made to Probanden.charite-research.de. The less responsive or slowest element that took the longest time to load (616 ms) relates to the external source Probanden.charite-research.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.5 kB (17%)

Content Size

194.1 kB

After Optimization

161.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Charite-research.de main page is 194.1 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. 30% of websites need less resources to load. Javascripts take 78.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 30.2 kB

  • Original 43.3 kB
  • After minification 40.2 kB
  • After compression 13.1 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 30.2 kB or 70% of the original size.

Image Optimization

-6%

Potential reduce by 1.5 kB

  • Original 25.1 kB
  • After minification 23.6 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. Charite Research images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 208 B

  • Original 78.2 kB
  • After minification 78.2 kB
  • After compression 78.0 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

-1%

Potential reduce by 571 B

  • Original 47.5 kB
  • After minification 47.4 kB
  • After compression 46.9 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. Charite-research.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Charite Research. 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 as a result speed up the page load time.

Network Requests Diagram

charite-research.de

charite-research.de

330 ms

probanden.charite-research.de

probanden.charite-research.de

616 ms

css_IdDHqOQCVJ5zMhELOtKnPJhG3jv9FTWwaz1GpD8HCig.css

css_IdDHqOQCVJ5zMhELOtKnPJhG3jv9FTWwaz1GpD8HCig.css

197 ms

css_pkJm5wbPYkWMGlg4mfwjvNThNweGDDEaH2H9GxRa7pk.css

css_pkJm5wbPYkWMGlg4mfwjvNThNweGDDEaH2H9GxRa7pk.css

402 ms

logo.svg

logo.svg

300 ms

CRO_Anfahrt_0.jpg

CRO_Anfahrt_0.jpg

203 ms

CRO_Ueber_0.jpg

CRO_Ueber_0.jpg

210 ms

CRO_FAQ_0.jpg

CRO_FAQ_0.jpg

297 ms

CRO_Claim_weiss-orange.svg

CRO_Claim_weiss-orange.svg

297 ms

CRO_Claim_weiss-blau.svg

CRO_Claim_weiss-blau.svg

330 ms

js_ZMBKoEkR2CM_WMftWN57VjN1Rjt8hlnDgQLl5GtOeyU.js

js_ZMBKoEkR2CM_WMftWN57VjN1Rjt8hlnDgQLl5GtOeyU.js

405 ms

cro-bootstrap.js

cro-bootstrap.js

415 ms

participate.js

participate.js

395 ms

js_8YKU34EO_u4pI4P8i0HmIf-VBH-LhMvAlOhKZlAKImo.js

js_8YKU34EO_u4pI4P8i0HmIf-VBH-LhMvAlOhKZlAKImo.js

395 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

404 ms

js_-MhvF_WMRDFXb8HyScmI9IVk4NqePqAp_YKUok3R3cM.js

js_-MhvF_WMRDFXb8HyScmI9IVk4NqePqAp_YKUok3R3cM.js

403 ms

css_ygqvENgnMtI0p92hb_d2AaxbQwfgKTiiSrwkw_5jr-g.css

css_ygqvENgnMtI0p92hb_d2AaxbQwfgKTiiSrwkw_5jr-g.css

101 ms

Accessibility Review

charite-research.de accessibility score

98

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.

Best Practices

charite-research.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

charite-research.de SEO score

93

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

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

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 Charite-research.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 Charite-research.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

charite-research.de

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