IMHO teams works best when they choose their own key performance indicators, and match these up with the real-world success of the team's users, customers, and

IMHO teams works best when they choose their own key performance indicators, and match these up with the real-world success of the team's users, customers, and stakeholders. These kinds of metrics can involve people (e.g. add a feature to increase customer satisfaction by X points), performance (e.g. optimize a path to increases throughput by Y%), processes (e.g. fix a bug so security continues to match commitment Z), etc.