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by dchest 1008 days ago
The lossless format (where this bug's in) achieves amazing compression rates, compared to PNG.
1 comments

Yes, the main benefit of WEBP is for lossless compression, it's reported to be about 25% better, though this would depend on the image. For lossy, there's no reason I can see to prefer it over JPEG.
The lossy format has alpha support, unlike JPEG.