Return on ad spend (ROAS) is the most commonly reported metric in performance marketing. It's also one of the most misleading. Here's why optimizing for ROAS alone can actually hurt your business growth.
Key Takeaways
- 1The ROAS Trap
- 2What to Track Instead
The ROAS Trap
High ROAS campaigns often target customers who would have converted anyway. Brand search campaigns, retargeting campaigns, and bottom-of-funnel tactics all deliver impressive ROAS numbers — but they're not necessarily driving incremental revenue.
What to Track Instead
Focus on contribution margin and customer lifetime value. A campaign with a 2x ROAS that acquires high-LTV customers is far more valuable than a 6x ROAS campaign that only captures existing demand. The best growth marketers think in terms of portfolio-level efficiency, not individual campaign ROAS.
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