Tools & Wizards About Us
kardio-cbf.charite.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kardio-cbf.charite.de

CBF | Klinik für Kardiologie, Angiologie und Intensivmedizin - Deutsches Herzzentrum der Charité

Page Load Speed

2.3 sec in total

First Response

205 ms

Resources Loaded

1.9 sec

Page Rendered

193 ms

kardio-cbf.charite.de screenshot

About Website

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

Auf den folgenden Seiten möchten wir Ihnen einen Einblick in das therapeutische Spektrum der Medizinischen Klinik II - Kardiologie und Pulmologie - geben. Hier erhalten Sie eine Übersicht über:Leistun...

Visit kardio-cbf.charite.de

Key Findings

We analyzed Kardio-cbf.charite.de page load time and found that the first response time was 205 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kardio-cbf.charite.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value4,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

205 ms

stylesheet_6bb5617b15.css

203 ms

main_ms.css

215 ms

content.css

209 ms

content_ms.css

216 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that all of those requests were addressed to Kardio-cbf.charite.de and no external sources were called. The less responsive or slowest element that took the longest time to load (605 ms) belongs to the original domain Kardio-cbf.charite.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.7 kB (57%)

Content Size

289.4 kB

After Optimization

125.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Kardio-cbf.charite.de main page is 289.4 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. 25% of websites need less resources to load. Images take 182.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.6 kB

  • Original 30.2 kB
  • After minification 28.3 kB
  • After compression 7.6 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 22.6 kB or 75% of the original size.

Image Optimization

-42%

Potential reduce by 76.4 kB

  • Original 182.3 kB
  • After minification 105.8 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. Obviously, Kardio CBF Charite needs image optimization as it can save up to 76.4 kB or 42% 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. Kardio-cbf.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 24 (63%)

Requests Now

38

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kardio CBF 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

205 ms

stylesheet_6bb5617b15.css

stylesheet_6bb5617b15.css

203 ms

main_ms.css

main_ms.css

215 ms

content.css

content.css

209 ms

content_ms.css

content_ms.css

216 ms

main.js

main.js

214 ms

jquery-plugins.min.js

jquery-plugins.min.js

415 ms

functions.js

functions.js

304 ms

slightbox.css

slightbox.css

309 ms

arrow_left.gif

arrow_left.gif

103 ms

metanavi-colors.gif

metanavi-colors.gif

105 ms

Kopfbild_CBF_Luftbild_V2.jpg

Kopfbild_CBF_Luftbild_V2.jpg

450 ms

bg-logo.jpg

bg-logo.jpg

105 ms

logo.jpg

logo.jpg

107 ms

google-small-logo.png

google-small-logo.png

106 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

177 ms

bg_mainnavi.gif

bg_mainnavi.gif

177 ms

mainnavi_act.gif

mainnavi_act.gif

277 ms

mainnavi_no.gif

mainnavi_no.gif

278 ms

icon-location.gif

icon-location.gif

278 ms

icon-chariteCentre.gif

icon-chariteCentre.gif

279 ms

breadcrumb-divider-first.gif

breadcrumb-divider-first.gif

279 ms

breadcrumb-divider.gif

breadcrumb-divider.gif

379 ms

csm_Prof_Landmesser_bd0286d60a.jpg

csm_Prof_Landmesser_bd0286d60a.jpg

482 ms

mail.gif

mail.gif

379 ms

bulletlist-ms.gif

bulletlist-ms.gif

381 ms

bg-h-rightColumn.jpg

bg-h-rightColumn.jpg

380 ms

csm_Focus-Siegel-2016_Beste-Klinik_87887fce73.png

csm_Focus-Siegel-2016_Beste-Klinik_87887fce73.png

584 ms

csm_2015-12-14_FOCUS_TOP_nationales_Krankenhaus_2016_d7ac9cdcaa.jpg

csm_2015-12-14_FOCUS_TOP_nationales_Krankenhaus_2016_d7ac9cdcaa.jpg

585 ms

csm_CPU_Logo_transparent_47d7ebceaa.png

csm_CPU_Logo_transparent_47d7ebceaa.png

584 ms

bg-pagefunction.jpg

bg-pagefunction.jpg

484 ms

pagefunctions-tip.gif

pagefunctions-tip.gif

519 ms

pagefunctions-pdf.gif

pagefunctions-pdf.gif

582 ms

pagefunctions-print.gif

pagefunctions-print.gif

585 ms

sprite.png

sprite.png

605 ms

print.css

print.css

104 ms

Accessibility Review

kardio-cbf.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

kardio-cbf.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kardio-cbf.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 Kardio-cbf.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 Kardio-cbf.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

kardio-cbf.charite.de

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