KPI stands for Key Performance Indicator. The clue about its use is in the title, it is a KEY performance indicator, not an ordinary one. KPIs are used to monitor the health of a business and how well the business is tracking to its strategy.
INFOGRAPHIC: Inbound Marketing Funnel by Smart Insights Digital Marketing. Love the simplicity! Do you have a content strategy for all stages of the buying cycle? This will help identify "holes" in your sales funnel!