Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

technischesmuseum.at

Technisches Museum Wien

Page Load Speed

10.1 sec in total

First Response

483 ms

Resources Loaded

8.3 sec

Page Rendered

1.4 sec

About Website

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

Das größte technikhistorische Museum Österreichs bietet außergewöhnliche Einblicke in die Welt der Innovation und Technik mit vielfältigen Ausstellungen & Events für Kinder & Erwachsene.

Visit technischesmuseum.at

Key Findings

We analyzed Technischesmuseum.at page load time and found that the first response time was 483 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

technischesmuseum.at performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

technischesmuseum.at

483 ms

www.technischesmuseum.at

661 ms

bootstrap.min.css

215 ms

main0f5f38a.css

636 ms

main0f5f38a.js

639 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 98% of them (85 requests) were addressed to the original Technischesmuseum.at, 2% (2 requests) were made to Matomo.viennacix.com. The less responsive or slowest element that took the longest time to load (6.5 sec) belongs to the original domain Technischesmuseum.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.0 kB (14%)

Content Size

3.4 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Technischesmuseum.at main page is 3.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 308.7 kB

  • Original 331.3 kB
  • After minification 214.2 kB
  • After compression 22.6 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 117.1 kB, which is 35% 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 308.7 kB or 93% of the original size.

Image Optimization

-3%

Potential reduce by 68.3 kB

  • Original 2.5 MB
  • After minification 2.4 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. Technisches Museum images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.5 kB

  • Original 412.7 kB
  • After minification 412.5 kB
  • After compression 406.2 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

-79%

Potential reduce by 90.5 kB

  • Original 114.3 kB
  • After minification 23.9 kB
  • After compression 23.8 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. Technischesmuseum.at needs all CSS files to be minified and compressed as it can save up to 90.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (17%)

Requests Now

75

After Optimization

62

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Technisches Museum. 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

Accessibility Review

technischesmuseum.at accessibility score

89

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

technischesmuseum.at 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

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

technischesmuseum.at SEO score

77

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Technischesmuseum.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 Technischesmuseum.at 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 data is detected on the main page of Technisches Museum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: