Every time you browse, you leave a trail of data behind like digital...

https://zoom-wiki.win/index.php/How_Do_I_Check_What_a_Website_Knows_About_Me%3F_A_Guide_to_Reclaiming_Your_Digital_Footprint

Every time you browse, you leave a trail of data behind like digital breadcrumbs. This trail reveals your habits, interests, and location to advertisers. It’s how those "coincidental" ads follow you around the web