Cloudflare is the only provider that I know of that provides IPv6 reverse proxy for free with fair limits.
If it wasn't for them most of my sites won't be accessible for more than half of the internet.
If it wasn't for them most of my sites won't be accessible for more than half of the internet.
Also maybe there is a reasons for most of the internet not to care about ipv6 or current implementation, but that is another different big debate