Privacy policy

The Mendeleev website respects your privacy. This page details our policy regarding personal data.

No personal data collection

This site does not require registration and does not collect any personal data. No form asks for your name, email address or any other identifying information.

Local storage

We use your browser's local storage (localStorage) only to save your preferences (light/dark theme, language) and your personal records in educational games. This data stays on your device and is never transmitted to a server.

Cookies

This site does not use any tracking cookies or advertising cookies. Only a minimal technical cookie may be used by the host (Vercel) for request routing.

Third-party services

No data is shared with third-party analytics or advertising services. 3D visualisations are computed locally in your browser.

GDPR compliance

Since no personal data is collected or processed, the GDPR provisions regarding rights of access, rectification and deletion do not apply. If you believe that personal data concerning you is being processed in error, please contact us via the project's GitHub repository.

Last updated: April 2026