This site has no account system and does not collect the card choices or answers you enter into the learning and comparison tools. No advertising or analytics scripts are included in this edition.
Learning progress is saved in localStorage on this device. It stores familiar card identifiers and quiz counts. You can delete it with Reset progress on the learning page or by clearing browser site data.
The hosting provider may process ordinary request information, such as an IP address, browser details and time of access, to deliver pages and protect the service. That information is subject to the hosting provider’s policies.
If you email the site operator, the message and your email address are available to the recipient for handling the request.