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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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