There are three major image formats people normally use as web images: JPG, GIF and PNG. A great benefit if using PNG images files is that you can create good transparency effects with them. Although all major image editing tools let you create ping files, there are not many way of optimizing png files. But why would you optimize your png file. The reason is same as laid out in the post titled how to optimize your JPG images; you need to optimize your PNG images so that you can manipulate them as you wish, and they use less bandwidth as your traffic increases.
But why use a PNG image file instead of a GIF image file? There are many benefits. This blog post explains the benefits of using a PNG image file and how you can optimize a ping image.
