26 August 2026 · 9 min
How to set a target CPA that still works in month three
A CPA that only works on day one is really a discount cost. Worked cohort maths for any business that pays to acquire customers.
Insights
Performance marketing insights, with the working shown.
We publish analysis with the full calculations, so you can rerun them on your own data. There are three pieces so far: how to set a target cost per acquisition (CPA) that still works in month three, what breaks in server-side tracking, and what an affiliate revenue-share deal is worth.
26 August 2026 · 8 min
Server-side tracking: what breaks and what to fix first
Your order system already knows about the sale; the browser often does not. This is a repair order, not a vendor tour.
26 August 2026 · 10 min
What an affiliate revenue-share deal is actually worth
Without negative carryover and quality filters, revenue share hands the partner an option on your customer value. Worked numbers below.
Next step
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