What the dashboards don't show.
eCommerce Marketing Effectiveness: A Director's Guide — a board-grade paper on verifying marketing performance, written for directors and executives of high-end eCommerce businesses. Sent directly to your work inbox.
Written for the people who approve the budget — not the people who spend it.
Most eCommerce boards approve one of the largest discretionary lines in the P&L on reports produced by the parties spending it. This paper sets out how directors verify what marketing actually returns. It covers:
- Why boards routinely see better marketing numbers than the P&L records — and the three mechanical causes
- Blended versus marginal return, and how a growing budget can destroy value while the average still looks respectable
- What AI answers and zero-click search are doing to eCommerce discovery — with every trend claim cited to published research
- Why creative is now the last targeting lever an eCommerce brand fully controls
- How boards structure independent verification of agency and in-house performance
It closes with a twelve-question board checklist — one page, designed to be tabled at the next marketing discussion. Two of the twelve:
Questions your next board pack should survive.
If we add together the revenue each platform claims, does the total exceed the revenue we actually recorded? Which report is wrong, and by how much?
When a customer asks an AI assistant about our category, does our brand appear in the answer — and who is checking?
Sent to your work inbox.
Sam Park is a digital growth and AI search strategist based in Brisbane, Australia. Over 10+ years running the independent digital agency he founded in 2015, he has advised 1,000+ brands — many of them mid-market eCommerce businesses — driving $15M+ in client revenue at a 12x average return on ad spend. His advisory work centres on the question this paper raises: whether reported marketing performance holds up under independent examination. More on the about page.