GRAPHICS SUMMARY FILE FORMATS PHOTOGRAPHY Summary: File formats
Uses for GIF and JPEG Files
Netscape Navigator, Microsoft Internet Explorer, and most other browsers support both GIF and JPEG graphics . In theory, you could use either graphic format for the visual elements of your Web pages. In practice, however, most Web developers will continue to favor the GIF format for most page design elements, diagrams, and images that must not dither on 8-bit display screens. Designers choose the JPEG format mostly for photographs, complex "photographic" illustrations, medical images, and other types of images in which the compression artifacts of the JPEG process do not severely compromise image quality.
Advantages of GIF files
GIF is the most widely supported graphics format on the Web
GIFs of diagrammatic images look better than JPEGs
GIF supports transparency and interlacing
Advantages of JPEG images
Huge compression ratios mean faster download speeds
JPEG produces excellent results for most photographs and complex images
JPEG supports full-color images
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