Thread:Sannse/@comment-5334520-20131018161135/@comment-5007040-20131018165744

Yep, to see somebody is active you can go to the contributions of this user. You find this on his/her userpage, it's listed in the row profile, message wall/talk page, blog and then contributions.

On this page you see all the edits of somebody on a wiki with a date.

Hope this helps you!