From ASP.NET WebForms / MVC perspective: In my experience, not needing to post back to the server for changing several fields based on state, and in addition th

From ASP.NET WebForms / MVC perspective: In my experience, not needing to post back to the server for changing several fields based on state, and in addition the complex state management logic that needs to exist on the server (either in viewstate or manual in MVC) improves the user experience and saves development time. While the initial set-up of a page in Knockout/Web API takes relative more time, further development takes less time than otherwise.