Web Content Accessibility Guidelines
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¨Guideline 13
¨Provide clear navigation mechanisms.
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¨Provide clear and consistent navigation mechanisms orientation information, navigation bars, a site map, etc., to increase the likelihood that a person will find what they are looking for at a site.
Clear and consistent navigation mechanisms are important to people with cognitive disabilities or blindness, and benefit all users. For example clearly identify the target of each link. If a link is vocalised as http://www.abwa.asn.au provide link text to make this understandable for a speech user eg association for the blind
Blind users often memorise pages so consitancy aids their navigation of your complete site. They also hate it when changes are made often.