Trusted

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.

Dynamic

Actively monitors the data collectors on the top 10,000 most visited websites worldwide. Whotracks.me shows type, reach, and affiliation of every tracker.

Open Source

Shared with the wider content-filtering community. Other projects can use our tracker database to enhance their own privacy tools.

Discerning

More than just a website — WhoTracks.me analyzes data from the top 10,000 websites worldwide and informs Ghostery’s Anti-Tracking technology.

Sirdata

380 /848

Relatively prevalent

TRACKER REACH

0.1%

of web traffic is tracked by Sirdata

108

of the top 10,000 sites seen loading the Sirdata tracker

Data from February 2018 to March 2024.

SEEN ON THESE TYPES OF WEBSITES

32%

Entertainment

25%

Uncategorized

21%

News and Portals

13%

Reference

3%

Business

TRACKING TYPE

COOKIES are files placed by the website, stored in the browser that is used to identify you to the website.

TRACKER CATEGORY

Site Analytics

Collects and analyzes data related to site usage and performance.

Learn about our tracker categories

What is a tracker?

SIMILAR TRACKERS

Google Analytics Google
ScoreCard Research Beacon comScore, Inc.
Cloudflare Insights Cloudflare
Sentry Sentry