Key Performance Indicator
Used extensively in online advertising, KPIs are measurable factors which are indicative of an ad campaign's effectiveness.
KPIs define and measure the progress of a business' initiatives and goals (performance).
Popular KPIs to measure include: Driving traffic, branding, data collection, direct action, conversion, redemption, acquisition, units sold, return visitors, unique visitors, length of visit, and depth of visit.
NetLingo Classification: Online Marketing