<qa>  What is the goal of the study?The goal of this project is to adapt an evidence-based online weight management program and integrate it with population management support from primary care practices. Investigators then will conduct a three-arm, cluster-randomized trial to compare the effectiveness of 1 the combined intervention online weight management program plus population management support with 2 the stand-alone online weight management program and with 3 usual care, among overweight and obese primary care patients with type 2 diabetes or hypertension. The specific aims are: 