Trusted

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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.

Sailthru Horizon

https://www.sailthru.com

207 /848

Relatively prevalent

sail-horizon.com

sail-personalize.com

Expand

TRACKER REACH

0.3%

of web traffic is tracked by Sailthru Horizon

135

of the top 10,000 sites seen loading the Sailthru Horizon tracker

Data from January 2018 to March 2024.

SEEN ON THESE TYPES OF WEBSITES

30%

Uncategorized

28%

News and Portals

25%

Entertainment

6%

Reference

5%

Business

TRACKING TYPE

No tracking detected at present

TRACKER CATEGORY

Advertising

Provides advertising or advertising-related services such as data collection, behavioral analysis or retargeting.

Learn about our tracker categories

What is a tracker?

SIMILAR TRACKERS

DoubleClick Google
Google Google
Facebook Meta
Amazon Advertising Amazon