Review answers

1There aren’t really any advantages to using one application over the other for optimization. Both Photoshop and ImageReady can perform a wide range of image-optimization tasks. ImageReady has many Web-specific features that you won’t find in Photoshop, but image optimization is not one of them.
2A color table is a table that contains the colors used in an 8-bit image. You can select a color table for GIF and PNG-8 images, and add, delete, and modify colors in the color table.
3Browser dither occurs when a Web browser simulates colors that appear in the image’s color palette but not in the browser’s display system. To protect a color from browser dither, you can select the color in the Color Table palette, and then click the Web-shift ...

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