By the way, I've noticed a LOT of programs save PNGs, esp small PNGs really badly. If you are using PNGs for icons on your instance, make sure to run PNGGauntlet on them.
Emoji: % original size
(I also found all the ones on wubrg get about 50% savings, I forgot to tell @DialMforMara to turn up the compression level in GIMP when making them)
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