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Appendix B: Content of WCAG 2.0 WD
- Introduction
- Overview of Design Principles
- Principle 1: Content must be perceivable.
- Guideline 1.1 Provide text alternatives for all non-text content.
- Guideline 1.2 Provide synchronized alternatives for multimedia.
- Guideline 1.3 Ensure that information, functionality, and structure are separable from presentation.
- Guideline 1.4 Make it easy to distinguish foreground information from background images or sounds.
- Principle 2: Interface elements in the content must be operable.
- Guideline 2.1 Make all functionality operable via a keyboard or a keyboard interface.
- Guideline 2.2 Allow users to control time limits on their reading or interaction.
- Guideline 2.3 Allow users to avoid content that could cause photosensitive epileptic seizures.
- Guideline 2.4 Provide mechanisms to help users find content, orient themselves within it, and navigate through it.
- Guideline 2.5 Help users avoid mistakes and make it easy to correct them.
- Principle 3: Content and controls must be understandable.
- Guideline 3.1 Ensure that the meaning of content can be determined.
- Guideline 3.2 Organize content consistently from "page to page" and make interactive components behave in predictable ways.
- Principle 4: Content must be robust enough to work with current and future technologies.
- Guideline 4.1 Use technologies according to specification.
- Guideline 4.2 Ensure that user interfaces are accessible or provide an accessible alternative(s).
- Appendices
| Takayuki Watanabe and Tatuo Seki © 2004, Takayuki Watanabe (Creative Commons) | 19 March, 2005 | 26 (26) |