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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

More details: Developer Docs (MDN) Specification (Khronos)

Overall Support

82.4%

Platform Support
PlatformSupport
Android21.83%
Chromium OS81.85%
iOS35.39%
Linux93.52%
Mac OS80.81%
Windows99.97%