While there are many HR related KPIs to track, there are only few that are trully owned by the HR team:

Non-solicited incoming applications

The primary goal of the HR team is to build the employer brand, that facilitates future recuriting efforts. The success can be measured in voluntary applications received by the HR team

Company headcount per 1 HR FTE

Indicates how much HR related work is handled by the HR team.

Cost per hiree

Measures total cost to recruit and onboard new employee to the company.

Average time for recruitment

Measures the time required from the moment a vacany is published until the candidate joins the company (day #1).