Every time you browse, you leave a trail of digital crumbs that companies use...

https://romeo-wiki.win/index.php/What_Are_UTM_Parameters_and_Should_You_Worry_About_Them%3F

Every time you browse, you leave a trail of digital crumbs that companies use to build a profile on you. Think of your digital footprint as your online shadow. To slim it down, start by clearing your browser cache and cookies regularly