I think the vast majority of my IPv6 traffic is to sites who also care about security (or care about networking in general?) and consequently use TLS where poss

I think the vast majority of my IPv6 traffic is to sites who also care about security (or care about networking in general?) and consequently use TLS where possible. Anyone know on any stats regarding popular sites reachable over IPv6? For example, what percentage redirect the requests to TLS by default?