HTTP/2 protocol

- OTHER

Networking protocol for low-latency transport of content over the web. Originally started out from the SPDY protocol, now standardized as HTTP version 2.

IE

  1. 5.5 - 10
  2. 11

Edge

  1. 12 - 18
  2. 79 - 81
  3. 83

Firefox

  1. 2 - 35
  2. 36 - 52
  3. 53 - 75
  4. 76
  5. 77 - 78

Chrome

  1. 4 - 40
  2. 41 - 50
  3. 51 - 81
  4. 83
  5. 84 - 86

Safari

  1. 3.1 - 8
  2. 9 - 10.1
  3. 11 - 13
  4. 13.1
  5. TP

Opera

  1. 9 - 27
  2. 28 - 37
  3. 38 - 67
  4. 68

iOS Safari

  1. 3.2 - 8.4
  2. 9 - 13.3
  3. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.4.4
  2. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4
  2. 5 - 10.1
  3. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

HTTP/2 is only supported over TLS (HTTPS). See also the precursor of HTTP/2, the SPDY protocol, which has been deprecated and removed from most browsers, in favor of HTTP/2.

Resources:
Wikipedia article about HTTP/2
Browser support test