According to the official Facebook Help Center , Facebook does not provide any feature to track who views your profile. Furthermore, the platform explicitly states that third-party apps cannot provide this functionality either. Any application or website claiming to show a list of your "profile stalkers" is likely a scam designed to steal your information. Types of Facebook Profile Viewers
When people search for a "profile viewer," they are typically looking for one of three things: A Guide on 4 Common Facebook Scams - Tripwire facebook profile viewer