Adoption Funnel

An adoption funnel is a sequence of steps that counts a user's path from being exposed to a feature, to using it once, to using it repeatedly.

Unlike a purchase funnel this one runs on existing users, and its final step is not a one-off transaction but repeated use inside a stated period, which makes the length of that period part of the definition rather than a filter applied afterwards. The choice of denominator decides the result: it should be eligible users, meaning those who could actually see and use the feature, otherwise the adoption rate is diluted by users the feature never reached. The most common error is equating adoption with a single click; first curiosity always produces a large number, and only the repeat step shows whether the feature entered the user's routine.