trackers
n. countable B2 Upper Intermediate US //ˈtɹækɝz// UK //tɹˈækəz// track·ers
n. digital tools or software that follow your activity online. They are often used by companies to see which websites you visit or what you buy.
n. software scripts or cookies designed to monitor and record a user's online behaviour across different websites. Often used for targeted advertising or data analytics.
My browser blocks most trackers to protect my privacy.
Many free apps make money by selling the data collected by hidden trackers to third-party advertisers.
The implementation of stricter privacy laws has forced many tech companies to be more transparent about the trackers they embed within their web architecture.
Usage
Usually appears in the plural when referring to digital privacy and web technology.