my first thought was "if it's self hosted, don't I have to index the entire internet first before I use it..?" .. before I read it's actually a frontend/proxy

my first thought was "if it's self hosted, don't I have to index the entire internet first before I use it..?" .. before I read it's actually a frontend/proxy to google, not a separate thing. This is fine, but the seems a bit misleading to me.