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The basics

When you’re preparing graphics to be viewed online (as opposed to print), issues of storage and transmission of data are especially important. All of these issues come into play during optimization, the process by which a file is saved within specific format, storage size, and color parameters. The overall goal for each image is to preserve its quality, but compress it enough to make it download quickly on the Web. You want to reduce the file size just until the image quality reaches its reduction limit (starts to degrade). Keep this goal in mind as you choose optimization settings.

While you can optimize your images using Photoshop’s File > Save for Web command (a one-stop optimize dialog box), we recommend using ImageReady instead because its optimization controls and options, as they say in computer parlance, are more “robust.”


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