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Images for the Web, August 2003
Here is a "thumbnail" representation of the original picture. It is highly compressed (small file size) and small in dimensions at only 5% of the original at 88 x 58.
It's hard to discern and just gives you a vague idea of what the original image is. That is exactly what a thumbnail's purpose is. Usually, a thumbnail is linked to a larger, more detailed image. This one is not. If you had several products to sell and you put their images all on the same page in their full file size, the page could take a long time to load and many visitors wouldn't wait. However, if you used thumbnail images of the products, they would load quickly and the visitor could then select specific image(s) for closer inspection without waiting for images, they don't want to see, load.
To manipulate images, you're going to need image editing software to accomplish this. The lack of such tools is the reason many novice webmasters don't compress their images and use the width and height elements to size them. Continued>>>