Owned and operated by Ghostery since 2018. We've empowered millions of users to
take control of their online experience and protect their personal
information from data collectors.
Actively monitors the data collectors on the top 10,000 most visited websites worldwide.
Whotracks.me shows type, reach, and affiliation of every tracker.
Shared with the wider content-filtering community.
Other projects can use our tracker database
to enhance their own privacy tools.
More than just a website — WhoTracks.me analyzes data from the top 10,000 websites
worldwide and informs Ghostery’s Anti-Tracking technology.
Owned by Microsoft
of web traffic is tracked by Microsoft Ajax CDN
of the top 10,000 sites seen loading the Microsoft Ajax CDN tracker
Data from May 2017 to August 2023.
No tracking detected at present
Content delivery network that delivers resources for different site utilies and usually for many different customers.
Learn about our tracker categories
What is a tracker?