HTML and CSS Reference
In-Depth Information
WAI Guidelines
Priority
11. Use W3C technologies and guidelines
11.1
Use W3C technologies when they are available and appropriate for a task and use
the latest versions when supported.
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11.2
Avoid deprecated features of W3C technologies.
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11.3
Provide information so that users may receive documents according to their preferences
(e.g., language, content type, etc.)
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11.4
If, after best efforts, you cannot create an accessible page, provide a link to an alter-
native page that uses W3C technologies, is accessible, has equivalent information (or
functionality), and is updated as often as the inaccessible (original) page.
12. Provide context and orientation information
12.1
Title each frame to facilitate frame identification and navigation.
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12.2
Describe the purpose of frames and how frames relate to each other if this is not
obvious from frame titles alone.
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12.3
Divide large blocks of information into more manageable groups where natural and
appropriate.
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12.4
Associate labels explicitly with their controls.
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13. Provide clear navigation mechanisms
13.1
Clearly identify the target of each link.
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13.2
Provide metadata to add semantic information to pages and sites.
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13.3
Provide information about the general layout of a site (e.g., a site map or table of
contents).
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13.4
Use navigation mechanisms in a consistent manner.
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13.5
Provide navigation bars to highlight and give access to the navigation mechanism.
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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.
13.7
If search functions are provided, enable different types of searches for different skill
levels and preferences.
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13.8
Place distinguishing information at the beginning of headings, paragraphs, lists, etc.
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13.9
Provide information about document collections (i.e., documents comprising multiple
pages).
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13.10
Provide a means to skip over multiline ASCII art.
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14. Ensure that documents are clear and simple
14.1
Use the clearest and simplest language appropriate for a site's content.
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14.2
Supplement text with graphic or auditory presentations where they will facilitate
comprehension of the page.
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14.3
Create a style of presentation that is consistent across pages.
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