The measurement

Measured by a constant control group.

Every figure Fulcrum reports comes from the same randomized comparison.

A fixed 10% randomized control group never sees personalization for the full length of your contract.

The difference in revenue per user between the two groups is calculated on an ongoing basis, so you have a view of the total revenue attributed by Fulcrum's personalization deliverables.

The measurement represents how personalized traffic performed against untreated traffic under identical conditions.

Methodology

How the measurement works.

A permanent control group

A fixed 10% of your traffic never sees personalization, for the full length of your contract.

Significance thresholds, agreed up front

Before we validate any result, we wait until we've collected enough orders and traffic to trust the data - early numbers can be noisy. Then we run two independent statistical checks, and both have to confirm the result before we call it real. This keeps the validation honest and resistant to false alarms.

Impression to conversion, joined

Both groups - holdout and personalized - see the same site, over the same time window, so the only variable between them is whether they got Fulcrum's personalization. That's what makes the comparison valid. See how Fulcrum measures impact .

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45 days, free, measured against your own control group.

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