This is the only "top" method that works 100% of the time.
These ask you to "log in" to your own account to verify you're human, effectively stealing your credentials. Malware Downloads: fb private profile viewer top
PeekViewer uses session mirroring and backend cache requests to retrieve accessible (public) data without requiring you to log into Facebook. It does not alert the profile owner. This is the only "top" method that works 100% of the time