Originally at https://searchenginewatch.com/2016/02/29/what-is-http2-and-how-does-it-affect-us/

The web is about to get faster, with the introduction of the latest version of the HTTP protocol: HTTP/2.

It’s been 17 years since the last update and so many things have changed in almost two decades. Technology has created more demanding users, sites only got heavier and speed is an important factor for most of us while browsing.

As servers already started adapting to HTTP/2, it’s time to learn more about it and try to understand everything we need to know about this significant change on the web. How does it affect us?

What is HTTP/2?

HTTP/2 is an updated version of HTTP (Hypertext Transfer Protocol) and it is based on Google’s SPDY protocol, which was developed to improve the speed and the performance of the browsing experience.

The history of HTTP

The Hypertext Transfer Protocol (HTTP), or what most of us know as the ‘http://’ in a web address, is the protocol that established the connection between a user’s browser and a server’s host.

HTTP was defined back in 1991, while its current version, HTTP/1.1, was introduced in 1999, which means that it was only a matter of time to welcome the next update. Last February the Internet Engineering Task Force (IETF) formally approved a draft of HTTP/2 and that’s how the standardisation attempt started.

HTTP2-graphic - source akamai

source: http2.akamai.com

Why should I care?

If you are using the web, then you should probably care. You don’t have to be a developer to be interested in this exciting change, as it promises a faster and more functional browsing experience for everyone.

Sites have significantly changed since the last HTTP protocol update almost 20 years ago and it’s time to face the fact that modern site…

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