If you want to know that Yahoo Messenger is visible or not, then you can use some of the below website to find the actual status of those members. It is possible for a Yahoo Messenger user to hide his status from other users, but using these websites you can easily detect invisible and visible users on Yahoo Messenger. Using the below websites you can easily detect, visibility of a messenger user.1: Detectinvisible.com is a free invisible user detector, which uses complex unique script... 2:- Ydetect.com ... 3:- Vizgin.com is another detector ...4:- Invisible-Scanner.com provide simple and easy way to...