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: Not supported
  2. 11: Partial support

Edge

  1. 12 - 18: Supported
  2. 79 - 86: Supported
  3. 87: Supported

Firefox

  1. 2 - 35: Not supported
  2. 36 - 52: Supported
  3. 53 - 82: Supported
  4. 83: Supported
  5. 84 - 85: Supported

Chrome

  1. 4 - 40: Not supported
  2. 41 - 50: Supported
  3. 51 - 86: Supported
  4. 87: Supported
  5. 88 - 90: Supported

Safari

  1. 3.1 - 8: Not supported
  2. 9 - 10.1: Partial support
  3. 11 - 13.1: Supported
  4. 14: Supported
  5. TP: Supported

Opera

  1. 9 - 27: Not supported
  2. 28 - 37: Supported
  3. 38 - 71: Supported
  4. 72: Supported

iOS Safari

  1. 3.2 - 8.4: Not supported
  2. 9 - 13.7: Supported
  3. 14: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 59: Supported

Chrome for Android

  1. 87: Supported

Firefox for Android

  1. 83: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4: Supported
  2. 5 - 12.0: Supported
  3. 13.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported

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