Designing for Safari's Intelligent Tracking Prevention (ITP) Storage Boundaries
Learn how to architect web applications to survive Safari's Intelligent Tracking Prevention (ITP) by moving from JavaScript-set cookies to server-side state.
Loading…
ReadMeFeed / Community knowledge
Safari
Real questions. Useful conversations. Find the people who know your stack.
Safari
Developer tools · #safari
Safari’s ITP 2.3 Cookie Block: A Practical Guide to the Storage Access API
Safari blocks third-party cookies by default under ITP 2.3. Learn how the Storage Access API restores limited access after a user gesture, and how to test the behavior in Safari 15+.
Choosing Client-Side Storage in Safari: LocalStorage vs IndexedDB
A decision guide for storing data in Safari. Compare LocalStorage and IndexedDB for quotas, data types, and Safari's tracking protections, then validate your choice in Web Inspector.
Safari’s Intelligent Tracking Prevention: What It Means for Your Web App
Safari’s Intelligent Tracking Prevention (ITP) caps third‑party cookie lifetimes and uses machine learning to block trackers. Learn how to spot the impact, avoid login breakage, and use the Storage Access API to keep your users happy.
Safari’s Declarative Content Blocking: A Practical Engineering Decision for Web Performance and Privacy
Learn how Safari’s declarative content blocker lets you filter network requests before they’re issued, the limits you’ll hit, and a concrete example that cuts third‑party analytics traffic. Perfect for extension developers weighing performance vs. flexibility.
Safari’s Prefers‑Reduced‑Motion Bug: A Diagnostic & Fix Guide
Safari collapses animations on dropdowns, modals, and carousels when prefers‑reduced‑motion is active. This guide shows the symptom, root cause, ordered checks, CSS overrides, and escalation steps to keep UI fluid.
Safari ITP Limits Script-Set Third-Party Cookies to Seven Days
Safari's ITP can expire document.cookie values set in cross-site iframes after seven days. Diagnose it in Web Inspector and use server-issued cookies instead.
Safari ITP and Partitioned Cookies: Debugging Third-Party Embeds Without Guesswork
Safari's ITP partitions third-party cookies by top-level site, breaking embeds that assume global storage. Learn how to diagnose partitioned cookies and use the Storage Access API to restore legitimate access.
Integrating Apple Pay in Safari with the ApplePay JS API
Learn how to add Apple Pay to a Safari‑only checkout using the ApplePaySession API, with a minimal code example and notes on domain verification and fallback handling.
javascript