You are going to block this site. This will do the following:
- You will no longer see this site in searches.
- Site will no longer see your site in searches.
- Site will not be able to comment on your site profile.
- Any comments this site has posted to your profile will not be displayed.
Are you sure you want to do this?
Using a second Neocities site as a subdomain would be the simplest way to achieve that.. If you want whatever.example.com to go to cepheus.neocities.org/whatever/ then you might need to set up URL forwarding on the domain/DNS provider end.