This article will separate fact from fiction. We will explore what Facebook actually allows, why official "profile viewer" features don't exist, the dangers of third-party apps, and the legitimate (though limited) ways to gauge who might be looking at your profile.
tool to limit your posts to "Friends Only" instead of "Public". Profile Locking facebook profile viewer in facebook full
However, you can still get some insights into your profile's activity using official built-in tools: Who views your Facebook profile | Facebook Help Center This article will separate fact from fiction
Facebook's infrastructure is built to protect user privacy. The platform explicitly states that it does not track or reveal profile visitors to anyone. the dangers of third-party apps