I have a domain registered on Cloudflare configured for Home Assistant. I use Cloudflare proxy without the tunnel. Everything works fine. If I tell OK Google to turn on the light, it takes time and sometimes does not execute the command? Thanks
HA uses port 8123 for remote access, if you’re proxying the hostname, this is not a supported port. If you’re not proxying, it cannot possibly be a Cloudflare issue since Cloudflare would only act as a DNS resolver.
I suggest you use a ZT tunnel. There are plenty of guides over on home-assistant community on how to secure it. Here’s one: