This document explains how to reduce an image's file size and format it for use on the Web. It is important to make image files as small as acceptable quality will permit, since smaller images dramatically decrease download time when users access your Web pages. More information is available on downloading an image from the World Wide Web. Reduce the physical size of the image.
Most people are more comfortable with images that fit completely on their screen.
Reducing the physical size of images also dramatically reduces the file size. For most machines, an image size of more than 550 pixels wide and 375 pixels high is safe. Under the Image menu, select Image Size . . . It is a good idea to save this image under a different file name, leaving the original scanned image in its original form. That way, if you decide to start over, you will not need to scan the image all over again.