Go NAPSACC (Nutrition and Physical Activity Self-Assessment for Child Care) is a suite of online tools that help child care providers improve the health of young children through practices, policies, and environments that instill habits supporting life-long health and well-being. Go NAPSACC is an update and expansion of NAPSACC, a policy and environmental intervention that is highly regarded within the public health community and used by many states to support healthy eating and physical activity in young children. It is used by technical assistance professionals to support obesity prevention practices in early care and education (ECE) programs.