Can I use
?

WEBGL_compressed_texture_etc1 API

IE

  1. 6 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 92: Supported
  3. 93: Supported

Firefox

  1. 2 - 29: Not supported
  2. 30 - 91: Supported
  3. 92: Supported
  4. 93 - 94: Supported

Chrome

  1. 4 - 48: Not supported
  2. 49 - 92: Supported
  3. 93: Supported
  4. 94 - 96: Supported

Safari

  1. 3.1 - 14: Not supported
  2. 14.1: Not supported
  3. 15: Not supported
  4. TP: Support unknown

Opera

  1. 10 - 35: Not supported
  2. 36 - 77: Supported
  3. 78: Supported

Safari on iOS

  1. 3.2 - 14.4: Not supported
  2. 14.5: Not supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 93: Supported

Opera Mobile

  1. 12 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 93: Supported

Firefox for Android

  1. 92: Support unknown

UC Browser for Android

  1. 12.12: Support unknown

Samsung Internet

  1. 4: Not supported
  2. 5 - 13.0: Supported
  3. 14.0: Supported

QQ Browser

  1. 10.4: Support unknown

Baidu Browser

  1. 7.12: Support unknown

KaiOS Browser

  1. 2.5: Support unknown