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Design Guide

Skinny Graphics, Continued

Dithering and Anti-Aliasing

Images that are "fuzzy" (dithered) or photorealistic usually sport much larger file sizes. By reducing dithering, you can reduce file sizes. To do this, avoid saving files with "diffusion" in Photoshop, and always try to work with web safe colors from the start when creating artwork for the Web. Doing so will mean less need for masking unsightly color shifts with dithering effects.

Also, in creating text as an image file, you might choose to leave text aliased (or pixelated) instead of smoothing the edges with anti-aliasing. This can reduce file sizes by half, though it does looks jaggy. Experiment with different effects to find the balance between attractive images and small file sizes.

Adobe
Information on Adobe products such as Photoshop.

Ultimate Photoshop Resource
Tips, tutorials, filters, and more from Macmillan Computer Publishing's Ultimate Photoshop Resource.

Web Page Design for Designers: Typography
Explains aliasing and anti-aliasing with type.

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Physical Size
Colors
Dithering and Anti-Aliasing
File Formats
Compression Tools
HEIGHT and WIDTH Tags
Recycling Graphics


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