Tools for debugging, testing and using HTTP/2

What this post added

This post details the tools and techniques for debugging, testing, and using HTTP/2, a significant advancement in web content optimization. It introduces browser extensions, online testing tools, command-line utilities (like is-http, curl with HTTP/2 support, nghttp2, h2c, openssl s_client, h2i), load testing tools (h2load), and conformance testing tools (h2spec, h2scan). This directly supports the adoption and effective utilization of HTTP/2 by Cloudflare customers.