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Level up your digital media metricsEstimated reading time: 2 minutes
Ebook

Level up your digital media metrics

By: Epsilon Marketing | October 13, 2025
Title cover of the ebook with woman on her phone

How to think differently about digital media marketing success

Digital marketing has never been more sophisticated, yet many of us are still measuring campaign success with metrics that barely scratch the surface.

It’s not that traditional metrics like CPM, impressions and clicks aren’t helpful—they serve a purpose—but if you’re serious about understanding true campaign performance and driving real business impact, it’s time to think bigger.

4 key challenges of measuring digital media marketing success 

Many marketers are up to their eyeballs in data, desperately trying to make sense of numbers that don’t always tell the full story. We’ve all been there: celebrating a campaign with impressive reach numbers that didn’t drive sales. The list goes on.

  1. Attribution isgetting more complex. With third-party cookies already eliminated from most browsers and privacy regulations tightening, the old ways of tracking customer journeys are becoming obsolete.
  2. Executives want proof of ROI. CMOs are under increasing pressure to demonstrate clear business impact, not just marketing activity.
  3. Consumer behavior has evolved. People interact with brands across multiple touchpoints and channels, making single-metric evaluation nearly impossible.
  4. Competition for attention is fierce. With more brands vying for consumer attention than ever before, understanding true effectiveness—not just visibility—is crucial.

5 essential digital media metrics

To help you take your digital media metrics to the next level, in this guide, we explore five “industry standard” metrics and show you how to level up.

1. Beyond basic impressions: CPM vs. effective CPM (ECPM).

Instead of looking only at CPM to buy the cheapest impressions, use ECPM as a guidepost to efficiently buy meaningful exposure to your best customers.

2. More than simple returns: ROAS vs. incremental ROAS (iROAS).

ROAS can help you celebrate campaigns that drive attention, but iROAS will help you prioritize the ones that actually drive demand.

3. Moving past broad exposure: Reach vs. unique reach.

Reach numbers help you figure out how many people you’re talking to—but are they the right people?

4. Beyond surface level: Impressions vs. viewability.

You might ask “how many ads did we serve?” but the real question is “how many ads did people actually have a chance to see?”

5. Above basic counting: Clicks vs. cost per action.

Clicks often fall short when it comes to actually measuring achievement—CPA can help you see what’s working and what’s not.

Ready to upgrade your measurement mindset? Download the full guide to learn more.

Digital Media
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