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Beginner → Intermediate · ~2.5 hours

Measure, Keep, and Grow

Most teams grow by pouring more traffic into a leaky bucket. This course teaches the opposite order: measure what's happening (PostHog) so you can see the leaks, keep the users you already have (lifecycle messaging with Hogsend), then drive traffic and capture every visitor into an audience you own. Nine lessons, start to finish, written for technical founders and the consultants who set this up for them.

Start the course
  1. 01Chapter 1 — What PostHog is, and why you want itThe tool you'll measure with, why measuring matters at all, and what it costs.
  2. 02Chapter 2 — AARRR and the leaky bucketThe five numbers that matter, the order to fix them in, and the one metric that predicts whether a user stays.
  3. 03Chapter 3 — Instrument PostHog from zeroInstall the SDK, identify your users, capture the events that matter, and make sure ad blockers can't blind you.
  4. 04Chapter 4 — What to look at every dayThe handful of charts a founder should read each morning, what each one is telling you, and how to stop logging in to check them.
  5. 05Chapter 5 — Lifecycle messaging: which emails, in what orderThe messaging program that plugs the leaky bucket — which journeys to build first, why behavioural beats batch, and how to prove any of it works.
  6. 06Chapter 6 — Building the lifecycle in HogsendThe journeys from Chapter 5, written as code: welcome, behavioural nudge, win-back, dunning, and referral — each triggered by a real event.
  7. 07Chapter 7 — Driving trafficNow that the bucket holds water, open the tap: how to run Meta ads, track conversions accurately despite ad blockers and iOS, and feed your own data back to make the ads smarter.
  8. 08Chapter 8 — The owned-audience flywheelTurn ad clicks and visitors into verified emails and linked Discord/Telegram accounts — an audience you own, can reach for free, and can build a referral loop on.
  9. 09Chapter 9 — Putting it all togetherThe whole machine on one page, a 30/60/90-day plan to build it in the right order, and the cadence that keeps it running.