Privacy Policy

Last updated: February 2026

1. Data controller

Marian Sollmann
Zugerstrasse 17, 4143 Dornach, Switzerland
E-Mail: mail@sollmannkann.com

2. Data collected

We may collect the following data when you visit this website:

  • Server logs — IP address, timestamp, browser/OS string, referring URL. Retained for 30 days.
  • Analytics cookies — Google Analytics 4 cookies (_ga, _ga_*) if you consent.
  • Advertising cookies — Google AdSense cookies if you consent.
  • Consent preference — stored in your browser’s localStorage under the key appsage_consent. Never transmitted to our servers.

3. Purpose & legal basis

  • Analytics — understanding site usage (legal basis: consent / legitimate interest under Art. 6(1)(f) GDPR, Art. 31 Swiss DSG).
  • Advertising — displaying relevant ads to fund the service (legal basis: consent under Art. 6(1)(a) GDPR).
  • Server logs — security and abuse prevention (legal basis: legitimate interest).

4. Google Analytics (GA4)

With your consent, we use Google Analytics 4 (Google LLC, USA). GA4 collects pseudonymised usage data and sends it to Google servers. IP anonymisation is active. Data is retained for 14 months. You can opt out via the Google Analytics opt-out browser add-on or by declining consent on this site. See Google’s Privacy Policy.

5. Google AdSense

With your consent, we display ads via Google AdSense (Google LLC, USA). AdSense may use cookies to serve personalised advertisements based on your browsing behaviour. Without consent, only non-personalised ads are shown. Data is transferred to Google LLC in the USA under standard contractual clauses. See Google’s advertising policies.

6. Cookies

Name Type Purpose Retention
appsage_consent localStorage Stores your cookie consent preference Until cleared
_ga, _ga_* Cookie (GA4) Analytics — distinguishes users and sessions 14 months
AdSense cookies Cookie (3rd party) Advertising — personalised or contextual ads Varies

Analytics and advertising cookies are only set after you give consent. The consent preference itself (appsage_consent) is stored locally and never transmitted.

7. Data retention

  • Server logs: 30 days
  • Google Analytics data: 14 months
  • Consent preference: until you clear your browser storage

8. Your rights

Under the Swiss Federal Act on Data Protection (DSG 2023) and, where applicable, the GDPR, you have the right to:

  • Access the personal data we hold about you (Art. 25 DSG / GDPR Art. 15)
  • Rectification of inaccurate data (Art. 32 DSG / GDPR Art. 16)
  • Erasure of your data (Art. 32 DSG / GDPR Art. 17)
  • Restriction of processing (GDPR Art. 18)
  • Data portability (GDPR Art. 20)
  • Objection to processing based on legitimate interest (Art. 30 DSG / GDPR Art. 21)
  • Withdrawal of consent at any time, without affecting prior processing

To exercise your rights, contact us at mail@sollmannkann.com.

9. Contact

For any privacy-related questions or requests, please contact:
mail@sollmannkann.com