Seeds
Can websites detect Safari's tracking protection?
No reliable detection method exists. Websites can identify Safari through the user agent string and confirm that third-party cookies are blocked, but these are indirect...
What is the Safari 7-day cookie limit?
Safari expires any cookie written by JavaScript after seven days. WebKit set the rule in ITP 2.1 (February 2019): persistent cookies created through document.cookie are...
How do I track users who take more than 7 days to convert?
Capture their email address early in the journey and use it as the persistent identifier that survives cookie expiration. When a visitor provides their email...
Can server-side tracking bypass the 7-day limit?
Server-side tracking addresses the seven-day limit through two mechanisms. First, a genuine first-party server can set cookies via HTTP response headers that Safari does not...
Why does Safari delete my analytics cookies?
Safari does not distinguish between analytics cookies and tracking cookies — Intelligent Tracking Prevention applies the seven-day JavaScript cookie cap to all first-party cookies set...
What happens when Safari detects link decoration?
Safari reduces the JavaScript cookie lifespan from seven days to just 24 hours. Link decoration detection activates when Safari classifies the referring domain as a...
Why did my customer journey data disappear after a week?
Safari deleted the cookies that linked your visitor's sessions together. When a JavaScript-set cookie expires after seven days under Safari ITP, GA4 loses the identifier...
How do I extend cookie life for Safari visitors?
Set cookies via HTTP response headers from a first-party server instead of through JavaScript. Safari ITP caps JavaScript-set cookies at seven days, but server-set HTTP...
Does the 7-day limit apply to all Safari users?
Yes — Safari's seven-day cookie expiration for JavaScript-set cookies applies to every Safari user on macOS, iOS, and iPadOS by default. It is not a...
What does the tracking landscape look like after third-party cookies ended?
Third-party cookies are now effectively dead across all major browsers — Chrome completed its Privacy Sandbox rollout, Safari and Firefox blocked them years earlier, and...
How does Firefox Enhanced Tracking Protection work?
Firefox Enhanced Tracking Protection blocks third-party cookies, known trackers from the Disconnect list, cryptominers, and fingerprinting scripts by default. Three modes exist: Standard blocks social...
Does Microsoft Edge have tracking protection?
Yes. Microsoft Edge ships Tracking Prevention with three levels, Basic, Balanced (the default), and Strict, built on Microsoft's own tracker categories from Disconnect-style lists. Balanced...