Summary of Section 508 standard

Text equivalents: For images and other non-text content
Captions and text transcriptions: For audio and video
Image maps: Provide redundant text links for server side image maps
Scripting: Provide functional text as part of the scripting
Color: Cannot code information only in color
Style Sheets: Pages need to be usable without style sheets
Table Headers: Tabular tables need to have header information
Animation (flicker): Cannot have markup that can generate flicker between 2-55 Hertz
Frames: Provide titles for frames
Forms: Provide labels for controls
Navigation Bars: Skip over feature
Timed Responses: User alert about a time response and provide sufficient time
Applets and Plug-ins: Provide accessible alternative