Tools & Wizards About Us
allergie-centrum-charite.de screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

allergie-centrum-charite.de

Charité – Universitätsmedizin Berlin

Page Load Speed

2.8 sec in total

First Response

180 ms

Resources Loaded

2.5 sec

Page Rendered

154 ms

allergie-centrum-charite.de screenshot

About Website

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

t: +49 30 450 - 50, Charitéplatz 1, 10117 Berlin. Homepage der Charité - Universitätsmedizin Berlin mit Informationen für Patienten, Ärzte, Wissenschaftler und Studierende sowie Einblicke in das Leist...

Visit allergie-centrum-charite.de

Key Findings

We analyzed Allergie-centrum-charite.de page load time and found that the first response time was 180 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

allergie-centrum-charite.de performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

180 ms

stylesheet_63da6e79ec.css

104 ms

basic.css

301 ms

jquery.fancybox-1.3.4.css

211 ms

jquery.min.js

510 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 86% of them (32 requests) were addressed to the original Allergie-centrum-charite.de, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (938 ms) belongs to the original domain Allergie-centrum-charite.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.2 kB (57%)

Content Size

301.1 kB

After Optimization

131.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Allergie-centrum-charite.de main page is 301.1 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. Javascripts take 172.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.5 kB

  • Original 11.7 kB
  • After minification 11.2 kB
  • After compression 3.3 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. 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 8.5 kB or 72% of the original size.

Image Optimization

-14%

Potential reduce by 8.2 kB

  • Original 59.9 kB
  • After minification 51.7 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, Allergie Centrum Charite needs image optimization as it can save up to 8.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 106.0 kB

  • Original 172.9 kB
  • After minification 162.4 kB
  • After compression 66.8 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 106.0 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 47.4 kB

  • Original 56.6 kB
  • After minification 43.9 kB
  • After compression 9.1 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. Allergie-centrum-charite.de needs all CSS files to be minified and compressed as it can save up to 47.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

34

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allergie Centrum 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 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

180 ms

stylesheet_63da6e79ec.css

stylesheet_63da6e79ec.css

104 ms

basic.css

basic.css

301 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

211 ms

jquery.min.js

jquery.min.js

510 ms

modernizr.js

modernizr.js

308 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

308 ms

respond.js

respond.js

212 ms

basic.js

basic.js

413 ms

javascript_9a38f34785.js

javascript_9a38f34785.js

313 ms

css

css

26 ms

ga.js

ga.js

33 ms

bg_body_cacc.gif

bg_body_cacc.gif

208 ms

logo_cacc_bigger.png

logo_cacc_bigger.png

104 ms

logo_CAC.png

logo_CAC.png

201 ms

logo_ecarf.png

logo_ecarf.png

107 ms

logo_charite.png

logo_charite.png

104 ms

bg_footer.gif

bg_footer.gif

106 ms

RTEmagicC_logo_p_laborberlin.gif.gif

RTEmagicC_logo_p_laborberlin.gif.gif

205 ms

RTEmagicC_logo_p_galen.gif.gif

RTEmagicC_logo_p_galen.gif.gif

225 ms

RTEmagicC_logo_p_unev.gif.gif

RTEmagicC_logo_p_unev.gif.gif

225 ms

RTEmagicC_logo_p_ecnm.gif.gif

RTEmagicC_logo_p_ecnm.gif.gif

226 ms

RTEmagicC_logo_p_eaaci.gif.gif

RTEmagicC_logo_p_eaaci.gif.gif

301 ms

RTEmagicC_logo_p_aria.gif.gif

RTEmagicC_logo_p_aria.gif.gif

306 ms

RTEmagicC_logo_p_efre.gif.gif

RTEmagicC_logo_p_efre.gif.gif

306 ms

RTEmagicC_logo_p_ida.gif.gif

RTEmagicC_logo_p_ida.gif.gif

323 ms

RTEmagicC_logo_p_masto.gif.gif

RTEmagicC_logo_p_masto.gif.gif

324 ms

logo_cacc_small.png

logo_cacc_small.png

325 ms

print.png

print.png

399 ms

spacer.gif

spacer.gif

406 ms

totop.png

totop.png

407 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

23 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

629 ms

DXI1ORHCpsQm3Vp6mXoaTZS3E-kSBmtLoNJPDtbj2Pk.ttf

DXI1ORHCpsQm3Vp6mXoaTZS3E-kSBmtLoNJPDtbj2Pk.ttf

31 ms

OpenSans-Light.ttf

OpenSans-Light.ttf

938 ms

__utm.gif

__utm.gif

32 ms

print.css

print.css

104 ms

Accessibility Review

allergie-centrum-charite.de accessibility score

64

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

<object> elements do not have alternate text

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

allergie-centrum-charite.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

allergie-centrum-charite.de SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 Allergie-centrum-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 Allergie-centrum-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

allergie-centrum-charite.de

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