Testing, Metrics, and Money: Measuring What Matters
Change one variable at a time—subject, CTA, or layout—then measure over multiple sends for consistency. Small lists benefit from directional learning rather than chasing tiny, noisy percentage differences.
Testing, Metrics, and Money: Measuring What Matters
Use UTM parameters, post-purchase surveys, and your platform’s attribution windows. Compare last-click to assisted conversions. The goal is practical clarity, not perfection, so budget decisions become grounded and defensible.