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bonsai enthusiast
Join Date: Apr-2003
Location: Lisbon
Country: Portugal - Forest Fire World Champion
Posts: 289
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Optimize your PNG/GIF drawings/avatar.
Message 5/5.
PNG and GIF images are lossless images, so unlike JPEG they rely on an indexed colour palette and a Huffman/LempelZiv compression scheme.
Most of the time PNG achieves better compression, but you can get further reductions if you reduce the numbers of colours used.
Again Image Optimizer does this for you.
Keep reducing the number of colours on your image and clicking the HiQ button to improove the colour palette for that number of colours.
Here's an example with one of the avatars available from the forum (which doesn't suport PNG for avatars):
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