Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kindermuseum.at

Hands-On-Museum für Kinder: Willkommen! - ZOOM Kindermuseum Wien

Page Load Speed

5 sec in total

First Response

330 ms

Resources Loaded

4.4 sec

Page Rendered

264 ms

kindermuseum.at screenshot

About Website

Click here to check amazing Kindermuseum content for Austria. Otherwise, check out these important facts you probably never knew about kindermuseum.at

Das ZOOM Kindermuseum Wien ist für Kinder ein Ort des spielerischen Forschens, Erfahrens und Lernens; im Hands On Museum gibt es interaktive Kinderveranstaltungen für Kinder und Jugendliche von 0-14 J...

Visit kindermuseum.at

Key Findings

We analyzed Kindermuseum.at page load time and found that the first response time was 330 ms and then it took 4.7 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

kindermuseum.at performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

kindermuseum.at

330 ms

www.kindermuseum.at

423 ms

package.css

307 ms

brwoser-reset.css

211 ms

auto.css

432 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 90% of them (82 requests) were addressed to the original Kindermuseum.at, 2% (2 requests) were made to S7.addthis.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Kindermuseum.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 975.7 kB (53%)

Content Size

1.8 MB

After Optimization

868.1 kB

In fact, the total size of Kindermuseum.at main page is 1.8 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 50.8 kB

  • Original 72.0 kB
  • After minification 71.9 kB
  • After compression 21.2 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 50.8 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 39.1 kB

  • Original 541.8 kB
  • After minification 502.7 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. Kindermuseum images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 741.8 kB

  • Original 1.1 MB
  • After minification 972.7 kB
  • After compression 319.7 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 741.8 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 144.0 kB

  • Original 168.6 kB
  • After minification 121.7 kB
  • After compression 24.6 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. Kindermuseum.at needs all CSS files to be minified and compressed as it can save up to 144.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (62%)

Requests Now

87

After Optimization

33

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kindermuseum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kindermuseum.at accessibility score

91

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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

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

kindermuseum.at best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

kindermuseum.at SEO score

83

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

High

robots.txt is not valid

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kindermuseum.at 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 Kindermuseum.at main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Kindermuseum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: