November 9, 2022
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Most brands can tell you how much they spent on their last influencer campaign. Far fewer can tell you what they actually got back.
That's not a content problem. It's a measurement problem. Without the right KPIs and tracking in place, influencer marketing becomes a guessing game, and guessing games don't survive budget reviews.
Influencer marketing ROI averages $5.78 for every $1 spent, but only if you're tracking the metrics that matter.
Brands working with American influencers at the micro and nano tier are increasingly leading on this, building measurement frameworks that treat influencers like any other performance channel.
Here's how to do it right.
You can't measure what you didn't define. Before a single piece of content goes live, decide what success looks like for this specific campaign.
Match your KPIs to your objective:
Pick 2–3 primary KPIs per campaign. Tracking everything usually means learning nothing.
Reach tells you how many people saw the content. Engagement rate tells you how many people cared.
Engagement rate = (likes + comments + shares + saves) / reach x 100
Nano influencers hit up to 11.9% engagement on TikTok. Macro-influencers typically land between 1–3%. This is why brands working with influencers at the micro and nano tier consistently see stronger per-dollar performance than those chasing big names.
Don't just look at the number, look at the quality. Comments like "just ordered" are worth more than a thousand fire emojis.
Three tools make influencer attribution possible:
The key: set all of this up before the campaign launches. Retroactive tracking is unreliable at best and impossible at worst.
This is where influencer marketing gets held to the same standard as every other paid channel.
If your ROAS is above 1, you're profitable. Influencer marketing averages $5.78 per $1 spent, but that average hides a huge spread. The difference between a 10x return and a losing campaign usually comes down to measurement and influencer selection.
Campaign-level metrics tell you if the strategy worked. Creator-level metrics tell you why.
After every campaign, rank your influencers by the KPIs that matter most. Who had the best engagement rate? Who drove the most conversions? Who had the lowest CPA?
This is where patterns emerge:
The goal isn't just to evaluate what happened. It's to build a playbook for what to do next. Your top 3–5 influencers from this campaign become the foundation of your next one. Scale the winners, test new influencers alongside them, and keep compounding.
Not every influencer campaign is about direct conversions. Brand awareness campaigns are real and valid, they just need a different measurement.
The problem is that "awareness" often becomes an excuse to not measure at all. "We got 2 million impressions" means nothing without context.
Metrics that give awareness campaigns teeth:
1. Measuring impressions as success
Impressions tell you the content was served. They don't tell you it was seen, processed, or acted on. Lead with engagement and conversion metrics instead.
2. Ignoring the attribution window
Influencer content has a longer tail than paid ads. Someone might see a post, visit your site three days later, and convert through a Google search. Standard last-click attribution will credit Google, not the influencer. Use multi-touch attribution or at minimum, track a 7–14 day window after content goes live.
3. Comparing influencer to paid ads on the same terms
Influencer content builds trust and generates assets you can repurpose. A paid ad stops working when you stop spending. Factor in the long-term value of content you own, not just the immediate ROAS.
4. Not tracking at the creator level
Campaign averages hide underperformers. If 3 out of 10 influencers drove 80% of your results, you need to know that. Otherwise you're paying for dead weight in the next campaign.
5. Setting up tracking after launch
This happens more than anyone admits. If UTMs aren't in the links before the content goes live, the data is gone. There's no fixing it after the fact.
The most important metrics depend entirely on your campaign goal. For brand awareness, focus on reach and impressions. For engagement, track likes, comments, shares, and saves. For conversions, you must measure sales, sign-ups, and discount code redemptions.
Reach simply tells you how many people potentially saw the content. Engagement rate tells you how many people cared enough to interact with it. A high engagement rate indicates a strong connection between the influencer and their audience, which is far more valuable than a high impression count with little interaction.
You can track sales effectively by using a few key tools. Provide each influencer with a unique, trackable link using UTM parameters. Give them a specific discount code to share with their audience. For larger campaigns, you can even create a dedicated landing page for each influencer to isolate their traffic and conversions.
While the industry average is around $5.78 in revenue for every $1 spent, any ROAS above 1 means your campaign is profitable. Your specific result will vary, but tracking it is essential to prove the financial value of your efforts.
Yes, it can be misleading. A paid ad stops delivering value the moment you stop paying for it. Influencer content, however, builds long-term trust and provides you with user-generated content that you can repurpose across your own marketing channels, adding value long after the campaign ends.
