How to Track Influencer Marketing Results (UTMs, Codes and Lift)
By INFLUENCE · Published October 25, 2026 · 9 min read
To track influencer marketing, use three layers together: a UTM-tagged link for every creator (to see clicks and sessions), a unique discount code for every creator (to catch buyers who never click), and a lift check that compares your total sales, sign-ups or branded search during the campaign with a normal period or a holdout region (to catch everyone else). Ask buyers at checkout where they found you. No single layer sees everything, so use all three.
Tracking is where most creator campaigns either prove themselves or quietly get cut. The usual culprit isn’t the creators; it’s tracking that only counts clicks, in a world where most people watch on their phone and buy later on a laptop. INFLUENCE runs campaigns priced on delivered views, which means we spend a lot of time helping brands connect those views to what happens next. Here’s the setup we’d recommend. For turning these numbers into a return on investment, see how to measure influencer marketing ROI.
Why is influencer marketing hard to track?
Because the path from seeing a creator to buying is rarely a straight line.
People don’t click. Instagram limits links in posts and captions, and plenty of people watch a video, then search for you later.
They switch devices. See it on a phone at lunch, buy on a laptop that evening.
They wait. A video posted on Monday can drive sales for weeks.
They hear about you more than once. A creator plus a friend plus an ad: who gets the credit?
Creator content clearly drives purchases, even when tracking misses them. NCSolutions found in 2024 that nearly half of Americans (48%) had purchased something after seeing it in creator content, and about two in three Gen Z shoppers had. (HomePage News)
| Tracking method | What it catches | What it misses |
|---|---|---|
| UTM links | Clicks, sessions, on-site behavior | Anyone who doesn’t click |
| Discount codes | Buyers who type a code | Buyers who don’t bother, or who find the code elsewhere |
| Post-purchase surveys | People who remember where they heard of you | People who don’t answer or don’t remember |
| Lift (before/after, holdouts) | The total effect, tracked or not | Which creator caused it |
Connecting views to results is the hardest part of creator marketing. Every INFLUENCE campaign comes with delivered views broken out per creator, a solid baseline for your tracking.
How do you set up UTM links for influencers?
Give every creator their own UTM-tagged link, and use the same naming pattern every time so your analytics stays readable.
A simple convention:
| Parameter | What to put | Example |
|---|---|---|
| `utm_source` | The platform | `instagram`, `tiktok`, `youtube` |
| `utm_medium` | The channel type | `influencer` |
| `utm_campaign` | The campaign | `spring-launch-2026` |
| `utm_content` | The creator | `jessica-bakes` |
| `utm_term` | Optional: format or post | `reel-1` |
Here’s what one looks like:
Tips that save headaches:
Use lowercase and hyphens consistently. “Instagram” and “instagram” show up as different sources.
Shorten the link with a branded short link if creators will say it out loud or put it in a bio.
Point links at the right page, usually a landing page that matches the creator’s offer.
Test every link on a phone before it goes live.
For apps, use your mobile measurement partner’s links instead of plain UTMs. Here’s how to track influencer installs in AppsFlyer.
Clean links come from one person owning the naming. INFLUENCE coordinates links and codes with every creator on its campaigns, so nothing goes live untested.
How do you track influencer discount codes?
Give each creator a unique, easy-to-remember code, ideally their name plus a number (“JESSICA15”). Codes catch the buyers links miss, which is why they’re still the most popular tracking tool: nearly half of brands (45.9%) answering Influencer Marketing Hub’s 2026 survey rely on promo codes to measure influencer results. (Influencer Marketing Hub)
How to get the most out of codes:
One code per creator, never shared.
Make them easy to say and spell. No zeros that look like O’s.
Set an end date, so old codes don’t live forever on coupon sites.
Watch for leakage. If a creator’s code suddenly gets used hundreds of times overnight, check coupon sites; it may have spread beyond their audience.
Compare revenue, not just uses. A code used 50 times on $120 orders beats one used 80 times on $25 orders.
Track returns by code, since a creator who over-promises can drive high returns.
Codes and links tell you who clicked or typed something. INFLUENCE pairs them with delivered views by creator, so you can see cost per tracked sale and spot creators whose impact goes beyond their code.
How do you measure lift from influencer marketing?
Lift measures the total change in sales, sign-ups or searches caused by the campaign, tracked or not. There are a few ways to do it, from simple to rigorous:
| Method | How it works | Effort |
|---|---|---|
| Before and after | Compare a campaign period with a similar period before it | Low |
| Year over year | Compare with the same weeks last year | Low |
| Branded search lift | Watch searches for your brand name in Google Search Console and Trends | Low |
| Geo holdout | Run creators targeting some regions, not others, and compare | Medium |
| Brand lift study | Survey exposed and unexposed people (common on Meta, YouTube and TikTok for paid boosts) | Medium to high |
| Marketing mix modeling | Statistical model across all your channels | High |
For most brands, start with before-and-after plus branded search, and add a geo holdout when budgets get bigger. Keep other things steady during the test: don’t launch a sale, a new ad campaign or a TV spot in the same weeks, or you won’t know what caused what.
Lift is the number that convinces finance teams, and the one most brands skip. INFLUENCE can help you plan a creator campaign around a clean comparison, so the results stand up.
Should you use post-purchase surveys?
Yes. They’re cheap, quick and catch what everything else misses. Add one question to your checkout or welcome email:
“How did you hear about us?”
Instagram creator
TikTok creator
YouTube
Friend or family
Search
Ad
Other (write in)
Better still, add a follow-up for anyone who picks a creator option: “Which creator?” with a write-in box. You’ll be surprised how many customers name a specific person.
Surveys aren’t perfect. People forget, guess or pick the first option. But compared week over week, they’re a great signal of which channels are rising, and they often show that creators drive far more than codes suggest.
Surveys work best alongside the other layers, not instead of them. Lay those answers next to INFLUENCE’s per-creator view counts and patterns jump out.
How do you put it all together?
Use each layer for the job it’s good at:
| Question | Best answered by |
|---|---|
| Which creator drove the most clicks? | UTM links |
| Which creator drove the most tracked sales? | Discount codes and links |
| Which creators are worth rebooking? | Cost per tracked sale plus views and survey mentions |
| Did the campaign work overall? | Lift and branded search |
| Which channel is growing? | Post-purchase surveys over time |
A simple weekly routine: export clicks by `utm_content`, sales by code, survey answers and total sales; put them in one sheet by creator; and look at trends, not single days. Then decide which KPIs to focus on with influencer marketing KPIs: what to track and what to ignore.
Pulling everything into one view by creator is where tracking pays off. INFLUENCE gives you creator-level delivered views to anchor that view, so the weekly routine takes an hour, not a day.
Tracking influencer marketing takes three layers: UTM links for clicks, unique codes for buyers who skip the link, and lift for everything else, with a post-purchase survey as a cheap bonus. Name links consistently, keep codes unique and time-limited, keep other campaigns steady while you measure, and look at all of it together by creator. That’s how INFLUENCE recommends measuring the campaigns it runs, with real delivered views as the base layer.
Links, codes and lift, read together.
Set up the campaign. Approve the creators and content. INFLUENCE handles the rest.
FAQs
How do you track influencer marketing?
Give every creator a unique UTM link and discount code, ask buyers where they heard about you, and compare total sales and branded search during the campaign with a normal period. Together, these show both tracked and untracked results.
What UTM parameters should I use for influencers?
A common setup is utm_source for the platform (instagram, tiktok), utm_medium as influencer, utm_campaign for the campaign name and utm_content for the creator’s name. Keep everything lowercase and consistent.
Are influencer discount codes accurate?
They’re useful but incomplete. Codes catch buyers who type them, but miss people who don’t bother, and they can leak to coupon sites. Use one code per creator, set end dates and pair codes with links and lift.
What is lift in influencer marketing?
Lift is the total increase in sales, sign-ups or searches caused by a campaign, including buyers who never used a link or code. It’s measured by comparing campaign periods with normal periods, or regions with creators against regions without.
How long after a campaign should I track results?
Keep watching for a month or so after the last post. Creator content keeps driving visits and sales for weeks, and many buyers act days after watching.
Related guides
Sources
HomePage News, Survey: Influencers are influencing plenty of purchases (NCSolutions) (2024)
Influencer Marketing Hub, Influencer Marketing Benchmark Report 2026 (2026)