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A diagnostic guide for Safari Intelligent Tracking Prevention (ITP) cookie and storage restrictions that break authentication, analytics, and cross-site workflows on macOS/iOS Safari 16+. Includes recognizable symptoms, cause table, ordered checks, fixes tied to findings, and escalation criteria.
Stop losing Safari users every 7 days. Learn how Intelligent Tracking Prevention (ITP) caps cookie expiration and how to use the Storage Access API to maintain sessions.
Safari's Intelligent Tracking Prevention (ITP) can silently cap cookie lifespans to 7 days. Learn how to diagnose these disappearances and use the Storage Access API for session persistence.
Safari’s Intelligent Tracking Prevention caps JavaScript‑set cookies to 7 days, causing users to log out unexpectedly. Learn how to use server‑side Set‑Cookie headers to maintain longer sessions.
Stop losing Safari users to the 7-day session cap. Learn how ITP limits client‑side cookies and how to use server‑side Set‑Cookie and the Storage Access API to maintain persistence.
Step‑by‑step guide to diagnose and resolve Safari’s Intelligent Tracking Prevention causing unexpected logouts and cookie loss.
Intelligent Tracking Prevention (ITP) Storage Caps Safari employs Intelligent Tracking Prevention (ITP) to limit the persistence of client-side storage. A documented behavior involves a 7-day cap on the expiration of cookies set via document.cookie , regardless of the specified Max-Age or Expires attributes. There is a distinction between cookies set via HTT
I'm validating a web integration that relies on first-party cookies and localStorage for session state, and I need to test it in Safari without using production credentials. The concern is Intelligent Tracking Prevention: client-side cookies set via document.cookie are documented as capped at 7 days, and storage can reportedly be deleted sooner for domains c
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