What are the best KPIs to optimize user retention for your lean startup?
User retention is one of the most important metrics for any lean startup. It measures how many customers come back to use your product or service after their first interaction. A high retention rate means that you are creating value for your users and building loyalty. A low retention rate means that you are losing customers and wasting resources. In this article, you will learn what are the best key performance indicators (KPIs) to optimize user retention for your lean startup and how to use them effectively.