HTTP/2

HTTP/2 is the second major version of the Hypertext Transfer Protocol, a core protocol of the World Wide Web that enables communication between web clients and servers. Standardized in 2015, it was designed to address the performance limitations of its predecessor, HTTP/1.1, by introducing…

Key facts

First appeared
2015
Category
technology
Problem solved
HTTP/2 was created to significantly improve web performance and resource utilization compared to HTTP/1.1. It addresses issues such as head-of-line blocking, inefficient use of TCP connections, and redundant data transmission, which plagued HTTP/1.1 as web pages grew increasingly complex.
Platforms
Web Servers (e.g., Apache, Nginx, IIS, Caddy), Web Browsers (e.g., Chrome, Firefox, Edge, Safari), Any operating system capable of running web servers or web browsers (e.g., Linux, Windows, macOS, Android, iOS)

Related technologies

Notable users

  • Google
  • Amazon
  • All major web browsers and web servers
  • Netflix
  • Facebook (Meta)
  • Akamai
  • Cloudflare