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Performance Marketing

The Only 3 Metrics That Actually Tell You If Your Ads Are Working

By Sara Lin May 22, 2025 5 min read
The Only 3 Metrics That Actually Tell You If Your Ads Are Working

Stop reporting impressions, clicks, and average CTR. Your board doesn’t care about clicks; they care about cash flow. In the current marketing landscape, ad platforms are designed to optimize for eyeballs, not profit. If you optimize for the wrong metrics, you end up wasting your budget on bots.

To tell if your ads are actually working, you need to focus on exactly three numbers:

1. Customer Acquisition Cost (CAC): How much do you spend in ad budget, agency fees, and sales costs to win a single paying client? If you don’t track CAC per channel, you are advertising blind.

2. Customer Lifetime Value (LTV): What is the total revenue a client generates for your business over their relationship with you? Your LTV-to-CAC ratio must be at least 3:1 for your agency model to be sustainable.

3. Pipeline Velocity (Days to Close): How long does it take for a clicked ad to turn into a closed sale? A campaign that gets cheap leads but takes 180 days to close will starve your cash flow faster than a campaign with higher lead costs but a 10-day sales cycle.

Forget vanity metrics. If these three numbers are moving in the right direction, your ads are building a healthy business.

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About the Author

S

Sara Lin

Head of Performance Marketing

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