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.| 13.1 | Clearly identify the target of each link. [Priority: 2]- For example, in HTML, write "Information about version 4.3" instead of "click here". In addition to clear link text, content developers may further clarify the target of a link with an informative link title (e.g., in HTML, the "title" attribute).
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| 13.2 | Provide metadata to add semantic information to pages and sites. [Priority: 2]- For example, use RDF to indicate the document's author, the type of content, etc.
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| 13.3 | Provide information about the general layout of a site (e.g., a site map or table of contents). [Priority: 2] |
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| 13.4 | Use navigation mechanisms in a consistent manner. [Priority: 2] |
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| 13.5 | Provide navigation bars to highlight and give access to the navigation mechanism. [Priority: 3] |
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| 13.6 | Group related links, identify the group (for user agents), and, until user agents do so, provide a way to bypass the group. [Priority: 3] |
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| 13.7 | If search functions are provided, enable different types of searches for different skill levels and preferences. [Priority: 3] |
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| 13.8 | Place distinguishing information at the beginning of headings, paragraphs, lists, etc. [Priority: 3] |
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| 13.9 | Provide information about document collections (i.e., documents comprising multiple pages.). [Priority: 3]- For example, in HTML specify document collections with the LINK element and the "rel" and "rev" attributes. Another way to create a collection is by building an archive (e.g., with zip, tar and gzip, stuffit, etc.) of the multiple pages.
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| 13.10 | Provide a means to skip over multi-line ASCII art. [Priority: 3] |
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