On Mon, Feb 01, 2010 at 03:47:48PM -0500, P. J. Alling scripsit:
> PNG has a lot of overhead, and are much larger than the equivalent
> Gif.   Makes for a slow loading web page if you don't need them.

Only if the PNG has been incompetently produced.

Uncompressed PNG will give huge files, but compression is normal and
works fine. A comperssed PNG will generally give a smaller file size
than the equivalent GIF.  (Plus more than 256 colours, transparency, and
much more bit depth.  PNG is a perfectly good image archive format if
you don't already have a TIFF infrastructure.)

-- Graydon

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