While you cannot see who "silently" browses your profile, Facebook provides official tools to track specific interactions:
Admins and moderators can still see your identity, but other group members cannot. anonymous facebook profile viewer
While you can't view profiles anonymously, Facebook does allow you to in certain groups if the admin has enabled the feature. While you cannot see who "silently" browses your
While you can’t see who looks at you, you can look at others without them knowing—but only if their privacy settings allow it. anonymous facebook profile viewer