is Yahoo Block Checker?
Yahoo Block Checker is a web based tool. You can use it to detect
if someone has blocked you. You can use it to see your friend is
Online or Offline on Yahoo Messenger. If your Yahoo Messenger is not
signing in, you can use this tool to track whether your friend is
online or not.
everyone see my status?
Yes, If you have All Others in allow list, everyone can see your
status via Yahoo Block Checker.
it show the nickname of a person?
Yes it shows the nickname of a person as well.
are the different names of this tool?
This tool may be known as Yahoo Status Checker, Online Yahoo Status,
Yahoo Blocked, Yahoo Status Viewer,Yahoo Block Checker and Check Yahoo Status
in search engines.