Why do web browsers not support h2c (HTTP/2 without TLS)?
Technically There are several technical reasons why HTTP/2 is much better and easier to handle over HTTPS: Doing HTTP/2 negotiation in TLS with ALPN is much easier and doesn’t lose round-trips like Upgrade: in plain HTTP does. And it doesn’t suffer from the upgrade problem on POST that you get with plain-text HTTP/2. N% of … Read more