Sometimes it isn’t always possible to log into Yahoo Messenger. Yet, finding out whether or not your contacts are online may be important to you. Yahoo Check Invisible is a website that allows you to find out the current status of everyone on your Yahoo Messenger contact list. You can find out if someone is invisible, online, or offline. You can also view a person’s message and avatar simply by using this site. If someone is hiding from you online, you can find out for sure by using Yahoo Check Invisible. You might not always be able to open Yahoo Messenger, but you can always find out what people on your list are up to.