The table below spells out the differences between both formats. When you return it is time to add the first picture to our tutorial homepage . Every graphic enabled browser is able to display GIF images. Requires second generation Web browser, such as Netscape 2.0 or Microsoft Internet Explorer 2.0 or better. Can have a transparent background color, so you can display a picture of irregular shape against a colored background.
Images have to be of rectangular shape.
Large file size, which translates to slower downloads over modem connections. Small file size. Ability to control degree of compression, but loss of image quality at higher compression rates. Restricted to 256 colors. Better suited when doing text as a graphic.