You can add what you want to /etc/hosts, but you need to actually control a domain to get a real cert for it that your browser will trust. Otherwise, you need t

You can add what you want to /etc/hosts, but you need to actually control a domain to get a real cert for it that your browser will trust. Otherwise, you need to mess about with self-signed certs, browser exceptions, etc. If you already own a domain, it's pretty convenient.