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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

81.05%

Platform Support
PlatformSupport
Android21.15%
Chromium OS86.43%
iOS29.03%
Linux92.14%
Mac OS74.98%
Windows99.92%