Client vs server tracking: pros, cons, examples
WHAT IT TESTS: Tracking placement trade-offs with examples. OUTLINE: Client-side wins on UI context but loses data to blockers and tampering; server-side wins on reliability and trust but misses pure UI events. RED FLAG: Picking one for everything.
WHAT IT TESTS: Whether you know the trade-offs and can name the right placement per event. ANSWER OUTLINE: Client-side fires from browser or app: rich UI context like clicks and scroll, but lossy to ad blockers, network failures, page-close, and spoofing. Server-side fires from your backend: reliable, secure, authoritative for business state, but blind to interactions that never reach it. Capture a UI hover client-side; capture a payment server-side. RED FLAG: Treating one approach as universally correct rather than per event.
Read the original → interview
- #event-tracking
- #client-side
- #server-side
- #instrumentation
- #analytics
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