Cookies and browser storage
Updated: 2 October 2026
Your choice
You can use this website and its contact form without visitor statistics. Optional analytics loads only after your permission. You can change your choice through Cookie settings in the footer at any time.
Local browser storage
Your privacy choice is saved as cookie-consent in local browser storage, including permitted categories, a version and a timestamp. We ask again after 180 days. You can also delete the entry through your browser website-data settings.
Language preference
The necessary session cookie NEXT_LOCALE remembers the current language, German or English. It does not contain an advertising or analytics identifier.
Protected preview access
For password-protected previews, signing in sets the necessary cll_access cookie. It enables preview access and is not used for advertising or analytics.
Optional analytics with Vercel and Microsoft Clarity
With your permission, we load Vercel Web Analytics for cookieless visitor statistics and Microsoft Clarity for heatmaps and session replays. Clarity may set the analytics cookies _clck (up to one year) and _clsk (up to one day). Advertising storage is not permitted. Clarity is not loaded without consent; withdrawing consent clears these first-party Clarity cookies and reloads the page to end recording. See our privacy policy for further details.