Tools & Wizards About Us
stadthalle.de screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    70% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

stadthalle.de

Tagungs- und Eventlocation Historische Stadthalle Wuppertal

Page Load Speed

11.1 sec in total

First Response

772 ms

Resources Loaded

9.4 sec

Page Rendered

945 ms

stadthalle.de screenshot

About Website

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

Nachhaltige Events planen, Eventlocation zentral in NRW: Tagungen, Messen oder Konzerte für 50 bis 4.000 Gäste in bis zu zehn einzigartigen Sälen veranstalten.

Visit stadthalle.de

Key Findings

We analyzed Stadthalle.de page load time and found that the first response time was 772 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

stadthalle.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

stadthalle.de

772 ms

www.stadthalle.de

6578 ms

merged-510f2b4a63c99187efeeb54e6b9665b0-ca9d4d52f497d4b70d381b01349a5874.css

223 ms

merged-e63b62317aec312c773f807bd5aff23d-6218751aaf46114c9359cca163d621f1.js

437 ms

222128.js

109 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 97% of them (57 requests) were addressed to the original Stadthalle.de, 2% (1 request) were made to Secure.leadforensics.com and 2% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Stadthalle.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.1 kB (1%)

Content Size

11.3 MB

After Optimization

11.2 MB

  • HTML
  • Images

In fact, the total size of Stadthalle.de main page is 11.3 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. 45% of websites need less resources to load. Images take 11.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 71.4 kB

  • Original 83.7 kB
  • After minification 79.5 kB
  • After compression 12.3 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 71.4 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 38.7 kB

  • Original 11.3 MB
  • After minification 11.2 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. Stadthalle images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 12 (21%)

Requests Now

56

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stadthalle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stadthalle.de

stadthalle.de

772 ms

www.stadthalle.de

www.stadthalle.de

6578 ms

merged-510f2b4a63c99187efeeb54e6b9665b0-ca9d4d52f497d4b70d381b01349a5874.css

merged-510f2b4a63c99187efeeb54e6b9665b0-ca9d4d52f497d4b70d381b01349a5874.css

223 ms

merged-e63b62317aec312c773f807bd5aff23d-6218751aaf46114c9359cca163d621f1.js

merged-e63b62317aec312c773f807bd5aff23d-6218751aaf46114c9359cca163d621f1.js

437 ms

222128.js

222128.js

109 ms

merged-93e403ef5f741d180046603049b9e6ae-c5be7f00af38573aaf27e74f1c88c999.js

merged-93e403ef5f741d180046603049b9e6ae-c5be7f00af38573aaf27e74f1c88c999.js

335 ms

merged-d7a18ddcbf4d342d0bca901c154ee8ce-2734f3cd6c144d63a987eecae6cd7c6b.js

merged-d7a18ddcbf4d342d0bca901c154ee8ce-2734f3cd6c144d63a987eecae6cd7c6b.js

432 ms

logo.svg

logo.svg

119 ms

suche.svg

suche.svg

120 ms

facebook-white.svg

facebook-white.svg

119 ms

twitter-white.svg

twitter-white.svg

121 ms

youtube-white.svg

youtube-white.svg

227 ms

instagram-white.svg

instagram-white.svg

219 ms

kalender.jpg

kalender.jpg

233 ms

burger.svg

burger.svg

229 ms

close.svg

close.svg

328 ms

csm_startseite_titel_oktobermessen_c_buerolongjaloux_098d3c9d5c.jpg

csm_startseite_titel_oktobermessen_c_buerolongjaloux_098d3c9d5c.jpg

927 ms

csm_startseite_titel_wow_wuppertal_db69d3f021.jpg

csm_startseite_titel_wow_wuppertal_db69d3f021.jpg

649 ms

csm_Start_Corona_Aktuelle_Infos_3d5fa8b24d.jpg

csm_Start_Corona_Aktuelle_Infos_3d5fa8b24d.jpg

745 ms

csm_Start_Streaming_Hybrid_Events_717df3e3b8.jpg

csm_Start_Streaming_Hybrid_Events_717df3e3b8.jpg

848 ms

csm_1_Start_Aussenansicht_4e1cc5b8e8.jpg

csm_1_Start_Aussenansicht_4e1cc5b8e8.jpg

843 ms

csm_Start_wow_wuppertal_97f6b2fd40.jpg

csm_Start_wow_wuppertal_97f6b2fd40.jpg

729 ms

csm_Start_Bayer_Science_Day-c-Mike_Koenig_90f9a2ecdd.jpg

csm_Start_Bayer_Science_Day-c-Mike_Koenig_90f9a2ecdd.jpg

856 ms

csm_3_Start_Konzert_734a574ea6.png

csm_3_Start_Konzert_734a574ea6.png

1140 ms

arrow.svg

arrow.svg

853 ms

csm_20220607082629l3_75e830d889.jpg

csm_20220607082629l3_75e830d889.jpg

961 ms

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979 ms

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csm_20211208102029l3_2bb8f36b74.jpg

983 ms

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csm_20220401113308l3_308a17b79d.jpg

958 ms

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csm_20220401113448l3_162f26743e.jpg

1027 ms

csm_20220506091247l3_7ff6de85c0.jpg

csm_20220506091247l3_7ff6de85c0.jpg

1060 ms

csm_T_Tagung-Kongress-c-Mike-Koenig_8a573bfcbc.jpg

csm_T_Tagung-Kongress-c-Mike-Koenig_8a573bfcbc.jpg

1063 ms

csm_T_Galas-Feste-c-Bettina-Osswald_0a7a8d71f7.jpg

csm_T_Galas-Feste-c-Bettina-Osswald_0a7a8d71f7.jpg

1082 ms

csm_T4-Kulturevents-Show-MA025_c_LarsLangemeier_5d0cffae67.jpg

csm_T4-Kulturevents-Show-MA025_c_LarsLangemeier_5d0cffae67.jpg

1087 ms

csm_startseite_messeveranstaltung_c_simonwierzba_e21f55cc71.jpg

csm_startseite_messeveranstaltung_c_simonwierzba_e21f55cc71.jpg

1132 ms

csm_Grosser-Saal-zentriert-2-1-c-Lars-Langemeier-start_9ea8699255.jpg

csm_Grosser-Saal-zentriert-2-1-c-Lars-Langemeier-start_9ea8699255.jpg

1162 ms

csm_Mendelssohn-Saal-2-1-c-Lars-Langemeier-start_eb9202e864.jpg

csm_Mendelssohn-Saal-2-1-c-Lars-Langemeier-start_eb9202e864.jpg

1164 ms

csm_Mahler-Saal-2-1-c-Lars-Langemeier-start_2e4a80cb2e.jpg

csm_Mahler-Saal-2-1-c-Lars-Langemeier-start_2e4a80cb2e.jpg

1184 ms

csm_Wandelhalle-2-1-c-Lars-Langemeier-start_34c3f25236.jpg

csm_Wandelhalle-2-1-c-Lars-Langemeier-start_34c3f25236.jpg

1195 ms

csm_Offenbach-Saal-2-1-c-Lars-Langemeier-start_cd4444c8a4.jpg

csm_Offenbach-Saal-2-1-c-Lars-Langemeier-start_cd4444c8a4.jpg

1234 ms

csm_Rossini-2-1-c-Lars-Langemeier-start_04b75f606c.jpg

csm_Rossini-2-1-c-Lars-Langemeier-start_04b75f606c.jpg

1241 ms

T-Newsletter.jpg

T-Newsletter.jpg

1264 ms

recaptcha__de.js

recaptcha__de.js

77 ms

flexslider-icon.woff

flexslider-icon.woff

1172 ms

blog_wowwuppertal_magazin6.jpg

blog_wowwuppertal_magazin6.jpg

1185 ms

hybrideevents_hsw.jpg

hybrideevents_hsw.jpg

1319 ms

211121_oeffentlichefuehrung_c_buerolongjaloux.jpg

211121_oeffentlichefuehrung_c_buerolongjaloux.jpg

1232 ms

T-Geschenkgutschein.jpg

T-Geschenkgutschein.jpg

1150 ms

SSK_Banner_2018.jpg

SSK_Banner_2018.jpg

1165 ms

csm_Unternehmenskultur-links_7aa95ad540.jpg

csm_Unternehmenskultur-links_7aa95ad540.jpg

1178 ms

csm_Unternehmenskultur-rechts_ecbc159510.jpg

csm_Unternehmenskultur-rechts_ecbc159510.jpg

1224 ms

csm_Stadhalle_Startseite_360_Grad_7b00c5d959.jpg

csm_Stadhalle_Startseite_360_Grad_7b00c5d959.jpg

1148 ms

facebook.svg

facebook.svg

846 ms

twitter.svg

twitter.svg

778 ms

youtube.svg

youtube.svg

796 ms

instagram.svg

instagram.svg

714 ms

sparkasse.png

sparkasse.png

729 ms

bayer.png

bayer.png

741 ms

arrow-fat.svg

arrow-fat.svg

753 ms

Accessibility Review

stadthalle.de accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

stadthalle.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

stadthalle.de SEO score

88

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stadthalle.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 Stadthalle.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

stadthalle.de

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