Search for the person’s profile on Facebook
Check whether their profile appears in search results
Open an old chat thread with them in Messenger
See if their name and profile photo still appear
Try sending them a message
Check whether their profile link opens or shows an unavailable page
Look for their comments, likes, or tags on mutual friends’ posts
Ask a mutual friend to search for their profile
Compare what you see with what the mutual friend sees
Check whether you can tag them in a post or comment
Try visiting their profile from an old link or past interaction
Look for signs that their profile is no longer accessible to you
Consider that they may have deactivated their account instead of blocking you