Checkpoints for Guideline
13. Provide clear navigation mechanisms.

13.1 - Clearly identify the target of each link.  Priority 2 

13.2 - Provide metadata to add semantic information to pages and sites.  Priority 2 

13.3 - Provide information about the general layout of a site (e.g., a site map, or table of contents).  Priority 2 

13.4 - Use navigation mechanisms in a consistent manner.  Priority 2 

13.5 - Provide navigation bars to highlight and give access to the navigation mechanism.  Priority 3 

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 

13.7 - If search functions are provided, enable different types of searches for different skill levels and preferences.  Priority 3 

13.8 - Place distinguishing information at the beginning of headings, paragraphs, lists, etc.  Priority 3 

13.9 - Provide information about document collections (i.e., documents comprising multiple pages.).  Priority 3 

13.10 - Provide a means to skip over multi-line ASCII art.  Priority 3