5 Marketing Metrics Startup Founders Should Track (But Usually Don’t)

When you’re building a startup, time is limited and dashboards are overwhelming. It’s tempting to chase metrics that make you feel good—but don’t actually grow the business.

Here are five marketing metrics that cut through the noise. No fluff. Just signals that tell you whether your growth engine is working.


1. Customer Acquisition Cost (CAC) by Channel

Every founder knows CAC—but most don’t segment it.

The real insight comes when you break CAC down by:

  • Paid vs. organic
  • Channel (LinkedIn ads, cold email, partnerships)
  • Funnel stage attribution

Prompt GPT:

“Summarize our CAC by channel using the last 30 closed-won deals. Highlight which source had the best CAC-to-CLV ratio.”

That’s how you stop guessing—and start reallocating budget with confidence.


2. Customer Lifetime Value (CLV)

CLV tells you what a customer is worth over time.

Why it matters:

  • It helps you decide how much you can afford to spend on acquisition
  • It surfaces the most valuable segments of your ICP
  • It validates whether retention and upsell strategies are working

Track it monthly, not yearly. If CAC goes up but CLV does too, you’re scaling smart.


3. Funnel Conversion Rates (Not Just CTR)

Founders love top-of-funnel traffic spikes. But if those clicks don’t convert, it’s a leaky bucket.

You should know:

  • Visit-to-lead rate
  • Lead-to-demo rate
  • Demo-to-close rate

Prompt GPT:

“Audit our funnel from LinkedIn ad to closed-won. Where’s the biggest drop-off?”

Fix that stage. Watch your revenue grow without spending more.


4. MQL-to-SQL Ratio

Here’s where marketing and sales alignment lives or dies.

If you’re generating MQLs that never convert to SQLs:

  • You’re targeting the wrong persona
  • Your CTA doesn’t match the funnel stage
  • Your lead scoring model is broken

This ratio tells you if you’re creating content that brings in conversations—or clutter.


5. Churn-Adjusted CAC Payback

The final boss metric.

It answers:

  • How many months until this customer pays back what it cost to acquire them?
  • Does churn delay—or destroy—that payback timeline?

For SaaS founders, this is your capital efficiency heartbeat.
Ignore it, and you burn cash fast.


What to Do This Week

  • Ask your team (or GPT): “What’s our current MQL-to-SQL conversion rate?”
  • Segment CAC by channel and look at the top 3 vs. bottom 3
  • Audit your funnel and identify one drop-off point to fix this month
  • Review churn’s impact on CAC payback—especially for cohorts with heavy discounts
  • Build a scorecard with these 5 metrics and review weekly

The founders who win aren’t just the loudest marketers.
They’re the sharpest operators.


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