Your digital footprint is basically a trail of breadcrumbs you leave behind...

https://www.bookmarking-jet.win/every-time-you-visit-a-website-you-leave-behind-digital-breadcrumbs-that

Your digital footprint is basically a trail of breadcrumbs you leave behind every time you visit a website or use an app. It tells companies who you are, where you shop, and what you like