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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

80.83%

Platform Support
PlatformSupport
Android19.65%
Chromium OS85.27%
iOS32.22%
Linux92.16%
Mac OS78.25%
Windows99.93%