Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

3sat.at

Startseite - 3sat-Mediathek

Page Load Speed

743 ms in total

First Response

317 ms

Resources Loaded

327 ms

Page Rendered

99 ms

3sat.at screenshot

About Website

Visit 3sat.at now to see the best up-to-date 3 Sat content for Austria and also check out these interesting facts you probably never knew about 3sat.at

Videos und Livestreams in der 3satMediathek anschauen! Entdecken Sie Dokumentationen, Magazine aus Kultur, Wissenschaft, Gesellschaft und vieles mehr!

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Key Findings

We analyzed 3sat.at page load time and found that the first response time was 317 ms and then it took 426 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster. This domain responded with an error, which can significantly jeopardize 3sat.at rating and web reputation

Performance Metrics

3sat.at performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

3sat.at

317 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to 3sat.at and no external sources were called. The less responsive or slowest element that took the longest time to load (317 ms) belongs to the original domain 3sat.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 33 B (19%)

Content Size

171 B

After Optimization

138 B

In fact, the total size of 3sat.at main page is 171 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 171 B which makes up the majority of the site volume.

HTML Optimization

-19%

Potential reduce by 33 B

  • Original 171 B
  • After minification 170 B
  • After compression 138 B

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 33 B or 19% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

3sat.at accessibility score

98

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.

Best Practices

3sat.at best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

3sat.at SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3sat.at can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 3sat.at main page’s claimed encoding is . 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 description is not detected on the main page of 3 Sat. 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: