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Graphics: Use Weighted Optimization

Optimization Week Issue #18, Mar. 28, 2004

This week we continue our series on optimizing web graphics. This week's Speed Tweak shows you how to use weighted optimization or regional compression to selectively apply different quality settings to different areas of your image. See how Maggie and her friend benefit from an alpha mask and some differential quality.

Multimedia: Use Weighted Optimization
Weighted optimization or regional compression applies different degrees of compression to different areas of your image. By varying the quality within images you can improve file size.