Many of the recommendations for layout in the section on screen design research pertain to fixed screen layout for CAI or multimedia. The web presents a unique challenge to designers for several reasons. Since the web can be used on multiple platforms, with varying screen resolutions (from 640 x 480 up to 1048 x 760) and with color depths varying from black and white all the way to 32 bit color, a designer needs to be very careful in the way they design their layout.
Recommendations:
- Design for the smallest standard screen which is:
- Macintosh size (Macintosh screen area is smaller than Wintel machines) 595 pixels wide by 295 pixels high
- 14 inch monitor (640- x 480 pixel area)
- 256 colors
- Start your design in black and white to ensure readability for persons with color deficiency
- Include ALT tags on all image files to ensure that people using text-only browsers or special readers (ie blind or sight deficient users) are still able to access the information provided in your pages .
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