Datenschutzerklärung · Last updated: 6 November 2026
This policy covers the website schaefer-dev.de. The privacy policy of the app Sumi for Supernote is on its own page.
Daniel Schäfer, Germany. Email: sumi@schaefer-dev.de
This is a personal website without cookies, user accounts, forms, advertising or tracking across sites. All fonts are served from this website itself.
The website is hosted by GitHub Pages (GitHub, Inc., USA). When you open a page, your browser sends technical data such as your IP address, the requested page, date and time, and browser type. GitHub needs this data to deliver the website and to keep it secure, and may log it for a limited time. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in a secure, working website). GitHub participates in the EU–US Data Privacy Framework. See GitHub’s privacy statement.
The website uses Cloudflare Web Analytics (Cloudflare, Inc., USA) to count page views. It sets no cookies, stores nothing on your device and does not build visitor profiles or follow you across websites. Cloudflare processes your IP address and browser information only to produce aggregate statistics. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in knowing which pages are read). Cloudflare participates in the EU–US Data Privacy Framework. See Cloudflare’s privacy policy.
The images on the photos page are delivered by Cloudinary Ltd. (Israel and USA) and its content delivery network. To deliver them, Cloudinary receives your IP address and browser information. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in fast image delivery). Israel has an EU adequacy decision, and Cloudinary participates in the EU–US Data Privacy Framework. See Cloudinary’s privacy policy.
Links to GitHub, LinkedIn, Xing and other sites are ordinary links. No data is sent to these services until you click a link.
If you email me, I use your address and message only to answer you, and I delete them when they are no longer needed. Legal basis: Art. 6(1)(b) or (f) GDPR.
You have the right to access, rectification, erasure and restriction of processing of your personal data, to data portability, and to object to processing based on legitimate interests (Art. 15–21 GDPR). To exercise them, email me. You also have the right to lodge a complaint with a data protection supervisory authority (Art. 77 GDPR).
Changes to this policy will be published on this page, with an updated date.