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The 'indexed' PNG is not an apt comparison. Using an 8-bit palette doesn't mandate terrible dithering, you can get this image down to 70-80kB with quantized 80-
by ricardobeat 4y ago
The 'indexed' PNG is not an apt comparison. Using an 8-bit palette doesn't mandate terrible dithering, you can get this image down to 70-80kB with quantized 80-120 colors, and because of the solid surfaces it doesn't need any dithering at all. Or you could use WebP to get a 30KB file that has better quality than the JPEG.
I recommend using https://squoosh.app https://squoosh.app for this, it has OxiPNG and runs the compressors in-browser with WASM so you can fine tune the parameters live.