The specific string home.php?rdr is a technical redirect used by Facebook’s servers.
When you search for https freefacebookcom homephp rdr better or accidentally click such a link, the flow is typically:
Accessing Facebook or any other website using an insecure connection (HTTP) can pose significant risks to users. These risks include:
This string is not a real Facebook address. It is designed to catch users who mistype or search for Facebook access, then redirect them to a malicious site.