analytics-dictionary / term / tracking & measurement
Intelligent Tracking Prevention (ITP)
ITP is Safari technology that limits cross-site tracking and shortens the lifetime of some cookies.
Written by Reflective Data experts · updated Oct 5, 2026
It affects how long a returning visitor can be recognised and how reliably campaigns are attributed in Safari. Server-side set-ups using a first-party domain can mitigate some effects.
Other browsers have similar protections, so assume that client-side identifiers are short-lived.
related
CookieFirst-party dataServer-side tagging
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