How Do You Know If You're Blocked On POF?

If someone has blocked you on Facebook, you won't be able to see their profile, just their name will come up when you do a search for them, and you won't be able to communicate with them through messages. If you search for someone on Plenty of Fish by their name, you will be able to see their profile, but you won't be able to send them a message. When this occurs, you are aware that your path is barred.