Can I use
?

SDCH Accept-Encoding/Content-Encoding

- OTHER

Shared Dictionary Compression over HTTP

Chrome

  1. 4 - 58: Supported
  2. 59 - 112: Not supported
  3. 113: Not supported
  4. 114 - 116: Not supported

Edge

  1. 12 - 112: Not supported
  2. 113: Not supported

Safari

  1. 3.1 - 16.4: Not supported
  2. 16.5: Not supported
  3. 16.6 - TP: Not supported

Firefox

  1. 2 - 112: Not supported
  2. 113: Not supported
  3. 114 - 115: Not supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 72: Supported
  3. 73 - 98: Not supported
  4. 99: Not supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 113: Not supported

Safari on iOS

  1. 3.2 - 16.4: Not supported
  2. 16.5: Not supported

Samsung Internet

  1. 4: Not supported
  2. 5 - 20: Supported
  3. 21: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Supported

Firefox for Android

  1. 113: Not supported

QQ Browser

  1. 13.1: Not supported

Baidu Browser

  1. 13.18: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Bugzilla Bug 641069 - Implement SDCH
Wikipedia - SDCH
Shared Dictionary Compression for HTTP at LinkedIn.
SDCH Google Group