User blog comment:Brandon Rhea/Wiki Modernization Stage Two: Page and Article Headers/@comment-1032852-20170317035154/@comment-26273552-20170317114957

A simpler method is to open an incognito or private browser separate of your main one. Those are automatically logged out so you can view the logged out experience at your leisure, but don't have to go through the hassle of logging out and back in every time.