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How do you measure marketing ROI?

Compare what you spend against the revenue it generates, tracking not just cost per click or lead but the value of customers those efforts produce. The most useful numbers are cost to acquire a customer and the revenue that customer brings over time. Traffic and likes that never turn into revenue aren't results.

Tie marketing to business outcomes by tracking the full path: from spend, to leads, to customers, to revenue. That means setting up conversion tracking properly and knowing what a customer is worth, so you can tell which channels actually pay off.

Measure over a sensible window, since some marketing (especially organic and brand) pays back slowly. Judging a long-term channel by one month understates it, while a quick-return channel can be assessed sooner. Match the measurement period to how the channel actually works.

Updated July 2026

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