As required by Austrian law.
I do not collect, process or otherwise handle any personal data of site visitors. This site runs on infrastructure provided by GitHub, Inc. via their GitHub Pages service. For information on the data which GitHub, Inc. collects, see their Privacy Statement (accessed 2021-04-24).
Since this site doesn't have user accounts, cookies or similar, any data GitHub, Inc. may collect is not considered to be personal data.
Apart from what has been mentioned, no data is being collected.