Over 400 Popular Sites Record Your Every Keystroke and Mouse Movement(Link)
<Summary>
❑ Hundreds of sites record your every move including searches, scrolling, keystrokes and mouse movement etc.
❑ That is "Session Replay," technique. It records every single movement of visitors then send to a third party for analyzation.
❑ But it can't guarantee anonymous and it also can capture sensitive data including password, credit card number, and credit card security code.