Metrics
Lift / incremental lift
What is Lift / incremental lift?
The conversion delta between the test arm and the control arm in a holdout test. The only honest measure of UGC impact; everything else is a vanity number.
Also calledincremental liftincremental conversion
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Strategy
UGC incrementality testing: the lift number a CFO will believe
Almost every UGC tool reports a +X% lift and almost none of it is incremental. A holdout or geo-lift test separates the causal number from the correlational story.
AI search
How to Measure UGC ROI: Formula, Attribution, Templates
Incremental revenue minus fully-loaded cost, over cost. Holdout testing for attribution. The KPI stack, the reporting cadence, and the pitfalls that inflate the number.
Strategy
A/B testing UGC placement: a framework
Where UGC sits on a page changes the conversion lift. Test one variable at a time, on enough traffic, for a full weekly cycle, and measure conversion, not clicks.
See it working on a live store.
Real storefronts using the thing this page defines.
