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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

80.85%

Platform Support
PlatformSupport
Android22.46%
Chromium OS86.5%
iOS24.59%
Linux93.46%
Mac OS74.98%
Windows99.95%