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Chapter 19. Designing for the Web > Optimizing a GIF Document

Optimizing a GIF Document

The GIF file format is used primarily for images that contain solid colors with sharp edges, such as clipart, text, line art, and logos. Since the Internet is a slow device, using the GIF format on images significantly reduces their file size, and will create fast-loading graphics. The GIF format utilizes an 8-bit pixel, and creates a document with a maximum of 256 colors (the less colors the smaller the file size). The GIF format has been around long enough for it to be considered an Internet "native" format. A native format is one that does not require a specific plug-in for the browser to display the file.


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