Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

stadthalle.com

Wiener Stadthalle - Connecting since 1958.

Page Load Speed

9.4 sec in total

First Response

483 ms

Resources Loaded

8.7 sec

Page Rendered

189 ms

About Website

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

With over 300 events and around one million visitors each year, Wiener Stadthalle is Austria’s largest event centre and one of Europe’s top ten arenas.

Visit stadthalle.com

Key Findings

We analyzed Stadthalle.com page load time and found that the first response time was 483 ms and then it took 8.9 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.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value50.0 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value340 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value45.8 s

0/100

10%

Network Requests Diagram

stadthalle.com

483 ms

en

1101 ms

jquery.js

474 ms

htmlChange.js

308 ms

components.js.php

312 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 98% of them (92 requests) were addressed to the original Stadthalle.com, 2% (2 requests) were made to Stats.echonet.life. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Stadthalle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (10%)

Content Size

16.5 MB

After Optimization

14.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stadthalle.com main page is 16.5 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. 60% of websites need less resources to load. Images take 16.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 73.7 kB

  • Original 85.7 kB
  • After minification 66.9 kB
  • After compression 12.0 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 18.9 kB, which is 22% 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 73.7 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 1.6 MB

  • Original 16.1 MB
  • After minification 14.5 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.

JavaScript Optimization

-3%

Potential reduce by 10.5 kB

  • Original 304.9 kB
  • After minification 304.0 kB
  • After compression 294.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-36%

Potential reduce by 11.3 kB

  • Original 31.8 kB
  • After minification 25.4 kB
  • After compression 20.4 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. Stadthalle.com needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (59%)

Requests Now

92

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 92 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 32 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

stadthalle.com accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

stadthalle.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

stadthalle.com SEO score

69

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

Links do not have descriptive text

High

Document doesn't have a valid hreflang

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stadthalle.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Stadthalle.com 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

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: