Geo-Lift Test
01 Definition
Geo-Lift Test meaning: A geo-lift test turns marketing on in some regions and off in others to measure impact.
A geo-lift test splits geographic areas into test and control groups, running the marketing in test regions while withholding it in matched control regions. Comparing outcomes across regions estimates incremental lift. It works without user level tracking, making it useful in a privacy focused environment.
Also called
Why it matters
How Geo-Lift Test fits the work
Geo tests measure real lift using regions instead of individuals, so they keep working even where cookies and device tracking do not.
In context
The advertiser ran ads in ten cities and withheld them in ten similar cities, then compared sales to estimate geo-lift.
Practical note
Results depend on choosing control regions that closely match the test regions; poorly matched areas or spillover between them can distort the measured lift.