of web traffic is tracked by Eperflex
of the top 10,000 sites seen loading the Eperflex tracker
Data from April 2018 to August 2019.
COOKIES are files placed by the website, stored in the browser
that is used to identify you to the website.
Provides advertising or advertising-related services such as data collection, behavioral analysis or retargeting.
Learn about our tracker categories
What is a tracker?