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The images in the article are not optimized, so the comparisons are not meaningful. For example, my-dog-dithered.png which uses only black and white is stored
by edflsafoiewq 5y ago
The images in the article are not optimized, so the comparisons are not meaningful.
For example, my-dog-dithered.png which uses only black and white is stored as 4x8 bpp instead of 1bpp. Running it through optipng halves the size.
- mark-r 5y agoThat seems odd to me. Isn't PNG compression based on a LZW-type algorithm, making the bit count of the inputs irrelevant as long as you're only using two distinct values?