Capture UTM params and attribute on signup
Source: interviewintermediate
WHAT IT TESTS: attribution plumbing across an anonymous-to-known transition. OUTLINE: parse UTMs on landing, persist them in a cookie tied to an anonymous ID, then stamp them onto the account at signup.
WHAT IT TESTS: whether you can carry first-touch attribution across the gap between an anonymous visitor and a created account. ANSWER OUTLINE: on landing, parse UTM query params, store them in a first-party cookie or storage keyed to an anonymous ID, decide first-touch versus last-touch persistence, and at signup copy the stored UTMs onto the new account and emit an attributed signup event that stitches anonymous to user.
Read the original → interview
- #attribution
- #utm
- #marketing-analytics
- #identity-stitching
- #cookies
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