The Reference
Tracker Directory
A plain-language reference for the tracking vendors and categories we detect across the web — each paired with how often we actually see it in the weekly crawl. Search a vendor you found in your tag manager, or browse by what a category really does.
Live prevalence from the latest crawl · 821 sites
Vendors
Sorted by prevalence — most common first. Bar shows share of all monitored sites. 0 shownCategories
What each kind of tracker actually does, and how present it is in the crawl. 0 shown
How to read this directory. Prevalence figures are observable indicators of tracking behavior, not legal conclusions. Descriptions explain what each vendor or category typically does; presence on a site is not, by itself, a finding of non-compliance.