HTTP is the application protocol that powers the Web. It began life as the so-called HTTP/0.9 protocol in 1991, and by 1999 had evolved to HTTP/1.1, which was standardised within the IETF (Internet Engineering Task Force). HTTP/1.1 was good enough for a long time but the ever changing needs of the Web called for a better suited protocol, and HTTP/2 emerged in 2015. More recently it was announced t
![HTTP/3: From root to tip](https://cdn-ak-scissors.b.st-hatena.com/image/square/eeb6c213b9e60639ded698c01cd423a2525d05d5/height=288;version=1;width=512/http%3A%2F%2Fblog.cloudflare.com%2Fcontent%2Fimages%2F2019%2F01%2Flayer-cake-diagram-copy-2%402x.png)