Tools & Wizards About Us
cch.de screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

cch.de

Kongresse | Tagungen | Events in Hamburg - CCH

Page Load Speed

2.7 sec in total

First Response

313 ms

Resources Loaded

2.2 sec

Page Rendered

167 ms

cch.de screenshot

About Website

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

Modern, multifunktional und hochflexibel: Das neue CCH – Congress Center Hamburg bietet unbegrenzte Möglichkeiten für Ihre Veranstaltung. Im CCH haben Sie die Wahl zwischen bis zu 50 individuell zu ge...

Visit cch.de

Key Findings

We analyzed Cch.de page load time and found that the first response time was 313 ms and then it took 2.4 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

cch.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.265

46/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

cch.de

313 ms

www.cch.de

517 ms

stylesheet_ec8aac01b1.css

86 ms

jquery.fancybox2.css

156 ms

jquery-1.7.1.min.js

379 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Cch.de, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Hamburg-messe.de. The less responsive or slowest element that took the longest time to load (610 ms) belongs to the original domain Cch.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 589.7 kB (53%)

Content Size

1.1 MB

After Optimization

519.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cch.de main page is 1.1 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. 35% of websites need less resources to load. Javascripts take 634.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 10.1 kB

  • Original 14.5 kB
  • After minification 13.0 kB
  • After compression 4.4 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 10.1 kB or 69% of the original size.

Image Optimization

-12%

Potential reduce by 50.3 kB

  • Original 417.9 kB
  • After minification 367.5 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, CCH needs image optimization as it can save up to 50.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 494.6 kB

  • Original 634.5 kB
  • After minification 446.0 kB
  • After compression 139.9 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 494.6 kB or 78% of the original size.

CSS Optimization

-82%

Potential reduce by 34.7 kB

  • Original 42.1 kB
  • After minification 33.2 kB
  • After compression 7.4 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. Cch.de needs all CSS files to be minified and compressed as it can save up to 34.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (56%)

Requests Now

39

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CCH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cch.de

cch.de

313 ms

www.cch.de

www.cch.de

517 ms

stylesheet_ec8aac01b1.css

stylesheet_ec8aac01b1.css

86 ms

jquery.fancybox2.css

jquery.fancybox2.css

156 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

379 ms

jquery_plugins.js

jquery_plugins.js

250 ms

jquery.tablesorter.js

jquery.tablesorter.js

166 ms

jquery.tablesorter_germandigit.js

jquery.tablesorter_germandigit.js

166 ms

jquery.bxSlider.min.js

jquery.bxSlider.min.js

168 ms

functions.js

functions.js

231 ms

jwplayer.js

jwplayer.js

415 ms

jquery.fancybox2.pack.js

jquery.fancybox2.pack.js

249 ms

ga_anonym.js

ga_anonym.js

250 ms

javascript_ebd9c81938.js

javascript_ebd9c81938.js

308 ms

congress_start.css

congress_start.css

331 ms

jquery.webticker.js

jquery.webticker.js

332 ms

ga.js

ga.js

9 ms

cch-teaser-neue-website.jpg

cch-teaser-neue-website.jpg

267 ms

logo.png

logo.png

84 ms

search_magnifier.png

search_magnifier.png

164 ms

claim_de.png

claim_de.png

85 ms

meta_arrivals_headline_de.gif

meta_arrivals_headline_de.gif

85 ms

meta_arrivals_airplane_de.gif

meta_arrivals_airplane_de.gif

80 ms

meta_arrivals_train_de.gif

meta_arrivals_train_de.gif

86 ms

meta_arrivals_car_de.gif

meta_arrivals_car_de.gif

157 ms

meta_arrivals_opnv_de.gif

meta_arrivals_opnv_de.gif

166 ms

hcb_Logo_weiss_30px.gif

hcb_Logo_weiss_30px.gif

166 ms

meta_arrivals_hotel_de.gif

meta_arrivals_hotel_de.gif

167 ms

t.js

t.js

309 ms

__utm.gif

__utm.gif

14 ms

cnt_js.php

cnt_js.php

209 ms

bg_header.png

bg_header.png

85 ms

flag_en.gif

flag_en.gif

85 ms

search_input.png

search_input.png

86 ms

navi_state_0.gif

navi_state_0.gif

87 ms

bg_start.jpg

bg_start.jpg

610 ms

arrow_04204E.gif

arrow_04204E.gif

87 ms

bg_footer.png

bg_footer.png

156 ms

meta_arrivals_border.gif

meta_arrivals_border.gif

167 ms

bg_footer_metanavi.gif

bg_footer_metanavi.gif

167 ms

doublearrow_bold.gif

doublearrow_bold.gif

167 ms

Accessibility Review

cch.de accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

cch.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

cch.de SEO score

99

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

High

Tap targets are not sized appropriately

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 Cch.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 Cch.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

cch.de

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