Privacy and analytics
PuzzGrind uses Google Analytics 4 only after you choose to accept optional analytics.
What we use
The analytics service is Google Analytics 4, configured with Measurement ID G-N1NLGSYBKD. It helps us understand aggregate site usage and improve PuzzGrind.
Information it may process
If accepted, Google Analytics may process information such as pages viewed, approximate location derived from network information, device and browser details, referring pages, and interaction timing. PuzzGrind does not send your Sudoku board or saved game data as analytics events in this foundation.
Your choice
Analytics is optional. You can accept or reject it when asked, and rejection does not affect game features. Use the persistent Privacy settings button on any page to change your choice later. Withdrawing consent stops future events, removes accessible Google Analytics cookies, and refreshes the current page to cleanly disable the loaded tag.
Consent storage
Your choice is stored only in this browser using first-party local storage. It contains no identity information, is not sent to PuzzGrind servers, and is separate from locally saved Sudoku progress.