Can I use
?

SDCH Accept-Encoding/Content-Encoding

- OTHER

Shared Dictionary Compression over HTTP

Chrome

  1. 4 - 58: Supported
  2. 59 - 122: Not supported
  3. 123: Not supported
  4. 124 - 126: Not supported

Edge

  1. 12 - 122: Not supported
  2. 123: Not supported

Safari

  1. 3.1 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5 - TP: Not supported

Firefox

  1. 2 - 123: Not supported
  2. 124: Not supported
  3. 125 - 127: Not supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 72: Supported
  3. 73 - 108: Not supported
  4. 109: Not supported

IE

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

Chrome for Android

  1. 123: Not supported

Safari on iOS

  1. 3.2 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5: Not supported

Samsung Internet

  1. 4: Not supported
  2. 5 - 23: Supported
  3. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Not supported

UC Browser for Android

  1. 15.5: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 123: Supported

Firefox for Android

  1. 124: Not supported

QQ Browser

  1. 14.9: Not supported

Baidu Browser

  1. 13.52: 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