of web traffic is tracked by Factor Eleven
of sites use the Factor Eleven tracker
Data from September 2017 to December 2018.
COOKIES are files placed by the website, stored in the browser
that is used to identify you to the website.
FINGERPRINTING is a unique digital signature derived from the properties of your device.
Provides advertising or advertising-related services such as data collection, behavioral analysis or retargeting.
Learn about our tracker categories
What is a tracker?