Privacy policy

Last updated: 9 November 2026.

Who is responsible

The controller of personal data on this site is Maciej Bednarczyk. Contact: m.bednarczyk.1991@gmail.com.

Visiting the site

The site is hosted by Vercel Inc. Serving pages involves technical data such as your IP address, browser and the address requested. Vercel Web Analytics and Speed Insights give me aggregated statistics about visits and performance, and do not use cookies. The legal basis is my legitimate interest in running and improving the site (Art. 6(1)(f) GDPR).

The site sets no advertising or tracking cookies. Your theme choice is stored only in your browser.

Newsletter

If you sign up, your email and IP address are processed by Buttondown, LLC (USA) to send new posts and block spam. The legal basis is your consent (Art. 6(1)(a) GDPR). You confirm the sign-up through a link sent by email.

You can withdraw consent at any time using the unsubscribe link in each email or by writing to me. Withdrawal does not affect earlier processing. I keep your address until you unsubscribe.

Emails

If you write to me, I use your address and message to reply. The legal basis is my legitimate interest in answering (Art. 6(1)(f) GDPR).

Transfers outside the EEA

Vercel and Buttondown are US companies, so data may be processed in the United States. Transfers rely on the safeguards in their data processing terms.

Your rights

You have the right to access, rectify and erase your data, to restrict its processing, to data portability, and to object. You can also lodge a complaint with the President of the Personal Data Protection Office (UODO) in Poland.