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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

76.18%

Platform Support
PlatformSupport
Android12.03%
Chromium OS91.75%
iOS6.1%
Linux93.73%
Mac OS70.45%
Windows99.98%