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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

81.47%

Platform Support
PlatformSupport
Android15.45%
Chromium OS89.56%
iOS20.15%
Linux95.01%
Mac OS81.86%
Windows99.97%