Ultimately, Facebook prioritizes the privacy of the "viewer." Just as you might browse a shop without buying anything and expect not to be tracked by the owner, Facebook users have the right to browse profiles anonymously. If you want to know who is watching, the best strategy remains the oldest one in the book: post engaging content and wait for them to like, comment, or react.
Here’s a useful, straightforward report on — covering what it is, how it works, its limitations, and important privacy considerations. facebook page viewer
Beware of apps claiming to show you "profile viewers." These are typically phishing scams or malware designed to steal your login credentials [5, 12, 16]. Ultimately, Facebook prioritizes the privacy of the "viewer