Tools & Wizards About Us
kliniken-koeln.de screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 0

    Best Practices

  • 90

    SEO

    Google-friendlier than
    68% of websites

kliniken-koeln.de

Kliniken Köln - Merheim, Holweide, Kinderkrankenhaus

Page Load Speed

15.3 sec in total

First Response

344 ms

Resources Loaded

14.7 sec

Page Rendered

212 ms

kliniken-koeln.de screenshot

About Website

Welcome to kliniken-koeln.de homepage info - get ready to check Kliniken Koeln best content for Germany right away, or after learning these important things about kliniken-koeln.de

Herzlich willkommen bei den Kliniken der Stadt Köln (Kinderkrankenhaus Amsterdamer Straße, Krankenhaus Holweide, Krankenhaus Merheim).

Visit kliniken-koeln.de

Key Findings

We analyzed Kliniken-koeln.de page load time and found that the first response time was 344 ms and then it took 14.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kliniken-koeln.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.8 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value43.6 s

0/100

10%

Network Requests Diagram

kliniken-koeln.de

344 ms

www.kliniken-koeln.de

959 ms

jquery-ui.css

569 ms

jquery.ui.autocomplete.css

238 ms

style.css

573 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Kliniken-koeln.de and no external sources were called. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Kliniken-koeln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 436.1 kB (12%)

Content Size

3.6 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kliniken-koeln.de main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 48.6 kB

  • Original 63.9 kB
  • After minification 56.6 kB
  • After compression 15.3 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 7.3 kB, which is 11% 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 48.6 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 60.9 kB

  • Original 3.1 MB
  • After minification 3.1 MB

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. Kliniken Koeln images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 276.6 kB

  • Original 374.5 kB
  • After minification 340.1 kB
  • After compression 97.9 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 276.6 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 49.9 kB

  • Original 58.4 kB
  • After minification 43.4 kB
  • After compression 8.4 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. Kliniken-koeln.de needs all CSS files to be minified and compressed as it can save up to 49.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (17%)

Requests Now

48

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kliniken Koeln. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kliniken-koeln.de

kliniken-koeln.de

344 ms

www.kliniken-koeln.de

www.kliniken-koeln.de

959 ms

jquery-ui.css

jquery-ui.css

569 ms

jquery.ui.autocomplete.css

jquery.ui.autocomplete.css

238 ms

style.css

style.css

573 ms

dd.css

dd.css

232 ms

jquery.min.js

jquery.min.js

3130 ms

jquery-ui.min.js

jquery-ui.min.js

3642 ms

jquery.ui.autocomplete.js

jquery.ui.autocomplete.js

1169 ms

jquery.dd.js

jquery.dd.js

674 ms

jquery.lightbox.js

jquery.lightbox.js

689 ms

script.js

script.js

691 ms

logo_neu.png

logo_neu.png

165 ms

notfall_11.png

notfall_11.png

164 ms

Icon___Anfahrt_391.png

Icon___Anfahrt_391.png

140 ms

paragraf_kreis_5121_5122.jpg

paragraf_kreis_5121_5122.jpg

159 ms

blutspende_14.png

blutspende_14.png

133 ms

auge.png

auge.png

130 ms

suchBtn.png

suchBtn.png

289 ms

arrow_left.png

arrow_left.png

284 ms

arrow_right.png

arrow_right.png

337 ms

Body_Startbutton_4281.jpg

Body_Startbutton_4281.jpg

1651 ms

kalender.png

kalender.png

381 ms

Adipositas_gilaxia_iStock_10241.jpg

Adipositas_gilaxia_iStock_10241.jpg

946 ms

__Jarek_Joepera_iStock_10141.jpg

__Jarek_Joepera_iStock_10141.jpg

405 ms

Collage_Dreitgestirn_web_10041.jpg

Collage_Dreitgestirn_web_10041.jpg

524 ms

bluedesign_Fotolia_72685429_L_Faelschung_10061.jpg

bluedesign_Fotolia_72685429_L_Faelschung_10061.jpg

473 ms

Foto_Spende_Kletterwand_ToniKroosStiftung_Ruetten_10012.jpg

Foto_Spende_Kletterwand_ToniKroosStiftung_Ruetten_10012.jpg

624 ms

Sala_Ibrida_08_web_index_9171.jpg

Sala_Ibrida_08_web_index_9171.jpg

530 ms

drucken.png

drucken.png

591 ms

btnclose.jpg

btnclose.jpg

641 ms

arrow_back_white.png

arrow_back_white.png

650 ms

arrow_next_white.png

arrow_next_white.png

717 ms

btnreset.png

btnreset.png

745 ms

btnsearch.png

btnsearch.png

759 ms

metanav.gif

metanav.gif

701 ms

navibg.png

navibg.png

775 ms

slideshowbg.png

slideshowbg.png

1398 ms

1711_0_Kliniken-Koeln__AHC6684.jpg

1711_0_Kliniken-Koeln__AHC6684.jpg

5102 ms

textBg.png

textBg.png

819 ms

arrow_orange.png

arrow_orange.png

894 ms

1713_0_20110221_tb_Christoph3_Dom_003.jpg

1713_0_20110221_tb_Christoph3_Dom_003.jpg

5876 ms

1714_0_Kliniken-Koeln__AHC6587.jpg

1714_0_Kliniken-Koeln__AHC6587.jpg

5886 ms

1715_0_Kliniken_Koeln-2687.jpg

1715_0_Kliniken_Koeln-2687.jpg

3488 ms

1152_0_KV-Merheim-OITS-Steinbach.jpg

1152_0_KV-Merheim-OITS-Steinbach.jpg

6848 ms

1352_0_Intensivpflege.jpg

1352_0_Intensivpflege.jpg

7683 ms

1141_0_KV-Holweide-Geb_ude3.jpg

1141_0_KV-Holweide-Geb_ude3.jpg

10119 ms

footerbg.png

footerbg.png

5229 ms

arrow_grey.png

arrow_grey.png

5423 ms

ui-bg_flat_75_f2f2f4_40x100.png

ui-bg_flat_75_f2f2f4_40x100.png

5535 ms

Accessibility Review

kliniken-koeln.de accessibility score

83

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.

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

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

SEO Factors

kliniken-koeln.de SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kliniken-koeln.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kliniken-koeln.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

kliniken-koeln.de

Open Graph description is not detected on the main page of Kliniken Koeln. 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: