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Web Content Accessibility Guidelines (WCAG)

Web Accessibility Initiative (WAI) from W3C is to help and provide guidelines to webmasters in the Web development process so that people with disabilities are able to browse their sites without any difficulties.

People who have no eyesight or low vision or who have problem navigating or who can't use mouse find it very difficult to browse websites which are not designed keeping their special needs in mind. To keep their special needs in mind during the web development process, W3C drafted certain guidelines- Web Content Accessibility Guidelines (WCAG).

Similar to WCAG in principles are Authoring Tool Accessibility Guidelines (ATAG) and the User Agent Accessibility Guidelines (UAAG) from W3C meant to bring a common platform for internet browring experience.

WAC guidelines are baicially list of 14 guidelines which must be followed for accessibilty needs in a design. Each Guideline has several checkpoints under it each of which are assigned a priority .