Creating Killer Web Sites




Color Cube
Anti-aliasing
GIF Compression
Image Tools
GIF Animation
Jpeg Compression
Eyeballing the Palette
Single-pixel GIF
Invisible Table Trick
Reduce Colors
Hand Retouching Images

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GIF Compression

It's a good idea to have an understanding of the GIF format's compression algorithm before creating your images. Study the images below, paying attention to their file sizes and horizontal regularity, to get a feel for how the Lempel-Ziv-Welch scheme works.


A1: 941 bytes


A2: 1,000 bytes


A3: 1,001 bytes


A4: 1,004 bytes


A5: 1,002 bytes


A6: 1,033 bytes


B1: 941 bytes


B2: 1,102 bytes


B3: 1,238 bytes


B4: 1,147 bytes


B5: 1,186 bytes


B6: 1,452 bytes


C1: 1,239 bytes


C2: 1,891 bytes


C3: 1,520 bytes


C4: 1,568 bytes


D1: 1,248 bytes


D2: 1,402 bytes


E1: 1,803 bytes


E2: 2,243 bytes


F1: 6,685 bytes


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