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Web3D Survey : WebGL 2 : WEBGL_compressed_texture_s3tc

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

Overall Support

82.21%

Platform Support
PlatformSupport
Android22.46%
Chromium OS84.01%
iOS36.86%
Linux90.93%
Mac OS82.64%
Windows99.96%