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Oracle® Web Application Programming for PL/SQL® Developers by Benjamin Rosenzweig, Solomon Morse, Melanie Caffrey, Susan Boardman

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Unit 13.1. Image Types

There are many things to consider when making use of images in your Web application. The two main things to consider are image quality and download speed. These two considerations work in juxtaposition. In order for the image to be the best quality it will be a large file, but you also want your image files to be the smallest size possible in order to reduce the time it takes for the page to display. In order for an image to be displayed, the entire image file must be downloaded into the browser. The use of images can add to the look and feel of a Web page but if they take a long time to appear, your users will not have the patience to use your application. You need to understand the basic issues around file types and ...

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