As I've seen others mention, there seems to be a divide between the most user friendly behavior for: (1) public webpage w wide ranging user base that will be co

As I've seen others mention, there seems to be a divide between the most user friendly behavior for: (1) public webpage w wide ranging user base that will be consistently updated and developed+ monitored for the widest compatibility, latest security, and (2) the CRM, intranet app, hardware config portal, etc. that will not. Any web devs have recommendations on how they handle the two circumstances?