gif seems better some how to me to but
{quot}PNG supports a more efficient compression algorithm than GIF, is patent-free, is capable of storing more image formats and includes some nifty error-checking features. When saving identical GIF and PNG images, the resulting PNG file will be 5% to 20% smaller than the GIF file.
From the point of view of a graphic artist, the PNG format is almost identical to the existing GIF format, yet it delivers a better compression rate and supports newer formats that GIF did not support. I now use PNG in every situation in which I would have used GIF in the past.
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