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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

78.59%

Platform Support
PlatformSupport
Android12.31%
Chromium OS90.79%
iOS5.22%
Linux94.8%
Mac OS67.45%
Windows99.99%