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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

76.56%

Platform Support
PlatformSupport
Android12.64%
Chromium OS91.66%
iOS12.62%
Linux92.67%
Mac OS72.35%
Windows99.95%