http/2 vs tls - SERP Analysis

https://stackoverflow.com/questions/61051169/is-tls-mandatory-for-http-2

https://cabulous.medium.com/http-2-and-how-it-works-9f645458e4b2

https://www.ssl.com/article/an-introduction-to-http2/

https://en.wikipedia.org/wiki/HTTP/2

https://security.stackexchange.com/questions/112172/why-doesnt-the-http-2-spec-require-tls

https://static-web-server.net/features/http2-tls/

https://groups.google.com/g/golang-nuts/c/MBApn-0NNOw

https://www.zscaler.com/blogs/product-insights/http-2-better-faster-stronger

https://www.reddit.com/r/node/comments/1cemrgp/benchmarking_http2_vs_http11_results_not_as/

https://matthewparrilla.com/post/negotiation-http2-alpn-tls-handshake/