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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

77.56%

Platform Support
PlatformSupport
Android18.57%
Chromium OS87.09%
iOS30.86%
Linux88.22%
Mac OS82.65%
Windows99.95%