Effective: January 12, 2026
Summary
This website is a static portfolio site. We do not collect personal data from visitors.
Error Tracking (Sentry)
To improve the website technically, we use Sentry (Functional Software, Inc., USA) for error tracking. Sentry only collects technical error information when an error occurs:
- Error type and error message
- Browser and operating system
- Visited page (URL path, e.g.,
/en/certificates)
What is NOT collected:
- ❌ No IP addresses
- ❌ No cookies
- ❌ No user tracking
- ❌ No session recordings
- ❌ No personal data
Error tracking is based on our legitimate interest in improving the website technically (Art. 6(1)(f) GDPR). Data is stored in EU data center (Frankfurt, Germany) and automatically deleted after 90 days.
More information: Sentry Privacy Policy
Theme Setting (Dark/Light Mode)
Your theme preference (light/dark mode) is stored locally in your browser (localStorage) and never leaves your device.
Hosting
This website is hosted on a private server in Switzerland. No server logs with personal data are stored.
Contact & Data Controller
For privacy questions, see Impressum.