Saw so many articles and links related to the same concept. 

[Counting online users using asp.net](https://stackoverflow.com/questions/10481351/counting-online-users-using-asp-net)

[Is there any ASP.NET application to monitor online user and page view log report?](https://stackoverflow.com/questions/11154793/is-there-any-asp-net-application-to-monitor-online-user-and-page-view-log-report)

Mine is little different. My application is MVC4 and using SimpleMembershipProvider. I am not sure why GetNumberOfUsersOnline is not working.

<https://msdn.microsoft.com/en-us/library/system.web.security.membership.getnumberofusersonline(v=vs.110).aspx>

Any Ideas ? How to do this in a easy and efficient way. I am just using this in only one place in my website.