But why this one?
>I don't force you to use SSL/TLS to connect here. Use it if you want, but if you can't, hey, that's fine, too.
What is wrong with redirecting 80 to 443 in today's world?
Security wise, I know that something innocuous like a personal blog is not very sensitive, so encrypting that traffic is not that important. But as a matter of security policy, why not just encrypt everything? Once upon a time you might have cared about the extra CPU load from TLS, but nowadays it seems trivial. Encrypting everything arguably helps protect the secure stuff too, as it widens the attacker's search space.
These days, browser are moving towards treating HTTP as a bug and throw up annoying propaganda warnings about it. Just redirecting seems like the less annoying option.