Start with decisions, not data lakes
Each event should answer a question: where do users drop off, which feature correlates with retention, which channel brings qualified signups.
Five well-named events with clear properties beat fifty vague clicks.
Pick one analytics tool early and instrument consistently; migrating later is painful.
Core funnel events
Signup started/completed, activation (first value moment), and upgrade or payment attempts belong in every SaaS MVP.
Include context properties: plan, source, device class, not PII you do not need.
Mirror key server-side events for billing and provisioning so client-side blockers do not lie to you.
Privacy and consent
Respect cookie consent rules in your markets; anonymize where required.
Document what you track in privacy policy; give users support contact if they ask for export or deletion.
Avoid collecting keystrokes or sensitive field contents in analytics payloads.
Review rhythm
Weekly thirty-minute review with product and engineering beats monthly vanity reports.
When metrics move, form a hypothesis and ship a small test, analytics without action is decoration.
We help clients wire analytics into Next.js apps with performance-friendly loading patterns.
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Tell us about your product, timeline, and team. We respond quickly with a clear next step, usually a short call and written scope after we review your brief.