Tools & Wizards About Us
derma.charite.de screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

derma.charite.de

Klinik für Dermatologie, Venerologie und Allergologie - Charité – Universitätsmedizin Berlin

Page Load Speed

2.5 sec in total

First Response

530 ms

Resources Loaded

1.8 sec

Page Rendered

199 ms

derma.charite.de screenshot

About Website

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

An der Klinik für Dermatologie, Venerologie und Allergologie der Charité - Universitätsmedizin bieten wir an den Standorten Campus Charité Mitte und Campus Benjamin Franklin ein umfangreiches Spektrum...

Visit derma.charite.de

Key Findings

We analyzed Derma.charite.de page load time and found that the first response time was 530 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

derma.charite.de performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

derma.charite.de

530 ms

stylesheet_6bb5617b15.css

105 ms

main_ms.css

207 ms

content.css

212 ms

content_ms.css

208 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Derma.charite.de and no external sources were called. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Derma.charite.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.7 kB (36%)

Content Size

364.1 kB

After Optimization

232.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Derma.charite.de main page is 364.1 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. 20% of websites need less resources to load. Images take 265.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.3 kB

  • Original 21.8 kB
  • After minification 19.9 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. 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 16.3 kB or 75% of the original size.

Image Optimization

-19%

Potential reduce by 50.7 kB

  • Original 265.4 kB
  • After minification 214.6 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. Obviously, Derma Charite needs image optimization as it can save up to 50.7 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 64.7 kB

  • Original 77.0 kB
  • After minification 59.6 kB
  • After compression 12.3 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. Derma.charite.de needs all CSS files to be minified and compressed as it can save up to 64.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (62%)

Requests Now

34

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derma 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derma.charite.de

derma.charite.de

530 ms

stylesheet_6bb5617b15.css

stylesheet_6bb5617b15.css

105 ms

main_ms.css

main_ms.css

207 ms

content.css

content.css

212 ms

content_ms.css

content_ms.css

208 ms

main.js

main.js

219 ms

jquery-plugins.min.js

jquery-plugins.min.js

414 ms

functions.js

functions.js

217 ms

slightbox.css

slightbox.css

315 ms

arrow_left.gif

arrow_left.gif

105 ms

metanavi-colors.gif

metanavi-colors.gif

105 ms

hautklinik_aussen_3.jpg

hautklinik_aussen_3.jpg

511 ms

bg-logo.jpg

bg-logo.jpg

106 ms

logo.jpg

logo.jpg

107 ms

google-small-logo.png

google-small-logo.png

107 ms

search_button.gif

search_button.gif

205 ms

functions-divider.gif

functions-divider.gif

205 ms

german_flag.gif

german_flag.gif

175 ms

english_flag.gif

english_flag.gif

176 ms

bg_mainnavi.gif

bg_mainnavi.gif

176 ms

mainnavi_no.gif

mainnavi_no.gif

275 ms

icon-location.gif

icon-location.gif

276 ms

icon-chariteCentre.gif

icon-chariteCentre.gif

277 ms

breadcrumb-divider-first.gif

breadcrumb-divider-first.gif

278 ms

breadcrumb-divider.gif

breadcrumb-divider.gif

279 ms

Zuberbier___.jpg

Zuberbier___.jpg

578 ms

bg-h-rightColumn.jpg

bg-h-rightColumn.jpg

377 ms

sybmol_mail.jpg

sybmol_mail.jpg

379 ms

csm_Siegel_Focus-Beste-Klinik-2015_f2b69af02a.jpg

csm_Siegel_Focus-Beste-Klinik-2015_f2b69af02a.jpg

380 ms

bg-pagefunction.jpg

bg-pagefunction.jpg

381 ms

pagefunctions-tip.gif

pagefunctions-tip.gif

478 ms

pagefunctions-pdf.gif

pagefunctions-pdf.gif

480 ms

pagefunctions-print.gif

pagefunctions-print.gif

481 ms

sprite.png

sprite.png

660 ms

print.css

print.css

104 ms

Accessibility Review

derma.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

derma.charite.de best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

derma.charite.de SEO score

100

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

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 Derma.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 Derma.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

derma.charite.de

Open Graph description is not detected on the main page of Derma 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: