The controller within the meaning of the General Data Protection Regulation (GDPR) is:
This website is hosted on the servers of GitHub Pages (GitHub, Inc., 88 Colin P Kelly Jr St, San Francisco, CA 94107, USA). When the website is accessed, GitHub records technically necessary data in server log files (in particular IP address, date and time of the request, page accessed, referrer URL, browser and operating system). The legal basis is Art. 6 (1) lit. f GDPR (legitimate interest in the technically error-free operation of the website). For data transfers to the USA, GitHub relies on the EU-US Data Privacy Framework.
For further information: GitHub Privacy Statement.
This website uses Matomo (formerly Piwik), an open-source software for the statistical analysis of website visits. Matomo runs on a dedicated server at the German hosting provider Strato AG (Otto-Ostrowski-Strasse 7, 10249 Berlin, Germany). Each time this website is accessed, the data required for tracking processing is transmitted to this Strato server. No further transfer to third parties takes place. Further information: strato.de/datenschutz.
The following data is processed during analysis: the anonymised IP address, pages accessed, date and time of access, browser type and operating system, and the source page (referrer). The IP address is anonymised before storage so that no inference can be drawn about individual users.
Legal basis: Art. 6 (1) lit. f GDPR (legitimate interest in the anonymised analysis of user behaviour to improve the web service).
Opt-out: You can object to data collection by Matomo at any time. Use the option below:
This website uses only locally hosted fonts. No fonts from external providers (e.g. Google Fonts) are loaded. Therefore, no IP address is transmitted to third parties.
If you contact us by e-mail, your information will be stored for the purpose of processing the request and for any follow-up questions. The legal basis is Art. 6 (1) lit. b or f GDPR. No data is passed on to third parties.
You have the following rights regarding your personal data: right of access (Art. 15 GDPR), right to rectification (Art. 16 GDPR), right to erasure (Art. 17 GDPR), right to restriction of processing (Art. 18 GDPR), right to data portability (Art. 20 GDPR) and right to object to processing (Art. 21 GDPR).
To exercise these rights, please contact the e-mail address listed above.
You have the right to lodge a complaint with a data protection supervisory authority about the processing of your personal data. The competent authority is the Berlin Commissioner for Data Protection and Freedom of Information, Alt-Moabit 59–61, 10555 Berlin, Germany, datenschutz-berlin.de.
As of: April 2026. We reserve the right to amend this privacy policy so that it always complies with current legal requirements.