Legal notice and privacy

Legal notice

kai.zone is the personal, non-commercial website of Kai Bitterschulte, Zürich, Switzerland.

Opinions on this site are my own and do not represent my employer. Product statements link to public documentation. Check it for the current status of a feature.

Privacy

This site has no accounts, forms, comments or newsletter, and it does not use advertising or tracking cookies.

Hosting

The site is delivered by Cloudflare. To deliver the pages and protect the site from abuse, Cloudflare processes the technical data your browser sends with each request, such as your IP address, browser type and the page you request. Data may be processed outside Switzerland. See the Cloudflare privacy policy.

Cookies

Cloudflare may set one cookie, __cf_bm, to tell people from automated bots. It expires after 30 minutes of inactivity and is not used to track you across sites. See Cloudflare cookies.

Analytics

I use Cloudflare Web Analytics to count page views and measure page speed. It does not use cookies or local storage and does not fingerprint visitors. See how Web Analytics collects data.

Email

If you write to contact@kai.zone, I use your message and address only to reply.

Your data

I do not keep personal data about visitors. If you have emailed me and want your messages deleted, or have a question about your data, write to contact@kai.zone.

Last updated 7 October 2026.