Tools & Wizards About Us
stadthalle.de screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

stadthalle.de

Tagungs- und Eventlocation Historische Stadthalle Wuppertal

Page Load Speed

4.9 sec in total

First Response

363 ms

Resources Loaded

3.5 sec

Page Rendered

1.1 sec

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 363 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

stadthalle.de performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

stadthalle.de

363 ms

www.stadthalle.de

1249 ms

merged-35282fed57b943bb2a21055cb49b2b25-7503ca771e578e7799adcbde8b896db2.css

303 ms

merged-c01127d35cdb933c72ea546356fc1b16-443de7036f01c9956328a34e2fe50062.js

404 ms

merged-9c7b4fe04d14153be5e27e21819c804e-0a286ad923a54b16a998e2eb3595de87.js

401 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that all of those requests were addressed to Stadthalle.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Stadthalle.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.4 kB (2%)

Content Size

10.6 MB

After Optimization

10.4 MB

  • HTML
  • Images

In fact, the total size of Stadthalle.de main page is 10.6 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. 55% of websites need less resources to load. Images take 10.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 76.5 kB

  • Original 89.9 kB
  • After minification 85.8 kB
  • After compression 13.4 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 76.5 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 113.9 kB

  • Original 10.5 MB
  • After minification 10.4 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 7 (13%)

Requests Now

53

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 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 and as a result speed up the page load time.

Network Requests Diagram

stadthalle.de

stadthalle.de

363 ms

www.stadthalle.de

www.stadthalle.de

1249 ms

merged-35282fed57b943bb2a21055cb49b2b25-7503ca771e578e7799adcbde8b896db2.css

merged-35282fed57b943bb2a21055cb49b2b25-7503ca771e578e7799adcbde8b896db2.css

303 ms

merged-c01127d35cdb933c72ea546356fc1b16-443de7036f01c9956328a34e2fe50062.js

merged-c01127d35cdb933c72ea546356fc1b16-443de7036f01c9956328a34e2fe50062.js

404 ms

merged-9c7b4fe04d14153be5e27e21819c804e-0a286ad923a54b16a998e2eb3595de87.js

merged-9c7b4fe04d14153be5e27e21819c804e-0a286ad923a54b16a998e2eb3595de87.js

401 ms

logo.svg

logo.svg

110 ms

suche.svg

suche.svg

108 ms

facebook-white.svg

facebook-white.svg

106 ms

twitter-white.svg

twitter-white.svg

111 ms

youtube-white.svg

youtube-white.svg

204 ms

instagram-white.svg

instagram-white.svg

208 ms

kalender.jpg

kalender.jpg

206 ms

burger.svg

burger.svg

206 ms

close.svg

close.svg

301 ms

csm_HSW_Wandelhalle__c__Bettina_Osswald_924b0b431e.jpg

csm_HSW_Wandelhalle__c__Bettina_Osswald_924b0b431e.jpg

810 ms

csm_startseite_titel_nachhaltigkeitsgewinnspiel_c_historischestadthalle_884b83ee5a.jpg

csm_startseite_titel_nachhaltigkeitsgewinnspiel_c_historischestadthalle_884b83ee5a.jpg

704 ms

csm_startseite_titel_TWkampagne_dd97988480.jpg

csm_startseite_titel_TWkampagne_dd97988480.jpg

702 ms

csm_Start_Streaming_Hybrid_Events_717df3e3b8.jpg

csm_Start_Streaming_Hybrid_Events_717df3e3b8.jpg

803 ms

csm_1_Start_Aussenansicht_4e1cc5b8e8.jpg

csm_1_Start_Aussenansicht_4e1cc5b8e8.jpg

876 ms

csm_3_Start_Konzert_734a574ea6.png

csm_3_Start_Konzert_734a574ea6.png

1104 ms

arrow.svg

arrow.svg

806 ms

csm_20240628125610l3_76862a4d18.png

csm_20240628125610l3_76862a4d18.png

809 ms

csm_20240619054052l3_aed50c4d79.jpg

csm_20240619054052l3_aed50c4d79.jpg

906 ms

csm_20240619054243l3_0f581c3382.jpg

csm_20240619054243l3_0f581c3382.jpg

904 ms

csm_20240606012740l3_caf9b583b1.jpg

csm_20240606012740l3_caf9b583b1.jpg

909 ms

csm_20240112125321l3_86893a030c.jpg

csm_20240112125321l3_86893a030c.jpg

908 ms

csm_20240606012821l3_6d45923fb3.jpg

csm_20240606012821l3_6d45923fb3.jpg

987 ms

csm_T_Tagung-Kongress-c-Mike-Koenig_8a573bfcbc.jpg

csm_T_Tagung-Kongress-c-Mike-Koenig_8a573bfcbc.jpg

1006 ms

csm_T_Galas-Feste-c-Bettina-Osswald_0a7a8d71f7.jpg

csm_T_Galas-Feste-c-Bettina-Osswald_0a7a8d71f7.jpg

1012 ms

csm_startseite_messeveranstaltung_c_simonwierzba_e21f55cc71.jpg

csm_startseite_messeveranstaltung_c_simonwierzba_e21f55cc71.jpg

1011 ms

csm_startseite_kulturevents_c_simonwierzba_d12acdfaa4.jpg

csm_startseite_kulturevents_c_simonwierzba_d12acdfaa4.jpg

1013 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

1097 ms

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

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

1106 ms

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

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

1112 ms

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

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

1113 ms

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

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

1114 ms

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

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

1209 ms

T-Newsletter.jpg

T-Newsletter.jpg

1202 ms

HSW_blogbeitrag_weihnachtsglanzundplaetzchenduft2023_1.jpg

HSW_blogbeitrag_weihnachtsglanzundplaetzchenduft2023_1.jpg

1207 ms

HSW_deutschebahn_veranstaltungsticket.jpg

HSW_deutschebahn_veranstaltungsticket.jpg

1311 ms

1264 ms

startseite_fuehrungen_c_buerolongjalouxgmbh.jpg

startseite_fuehrungen_c_buerolongjalouxgmbh.jpg

1227 ms

startseite_teaser_gutschein2.jpg

startseite_teaser_gutschein2.jpg

1197 ms

SSK_Banner_2018.jpg

SSK_Banner_2018.jpg

1202 ms

flexslider-icon.woff

flexslider-icon.woff

1213 ms

KulturPassfinal.PNG

KulturPassfinal.PNG

1184 ms

csm_Unternehmenskultur-links_7aa95ad540.jpg

csm_Unternehmenskultur-links_7aa95ad540.jpg

1202 ms

csm_Unternehmenskultur-rechts_ecbc159510.jpg

csm_Unternehmenskultur-rechts_ecbc159510.jpg

1207 ms

csm_Stadhalle_Startseite_360_Grad_7b00c5d959.jpg

csm_Stadhalle_Startseite_360_Grad_7b00c5d959.jpg

1211 ms

facebook.svg

facebook.svg

1131 ms

linkedin.png

linkedin.png

720 ms

youtube.svg

youtube.svg

782 ms

instagram.svg

instagram.svg

703 ms

sparkasse.png

sparkasse.png

705 ms

bayer.png

bayer.png

709 ms

arrow-fat.svg

arrow-fat.svg

714 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: