- W3C WAI Images Tutorial
- Practical guidance for creating useful alt attribute content for images, including references to relevant WCAG 2.0 Success Criteria and techniques, longdesc and WAI-ARIA information.
- The tutorial includes a simple decision tree, an easy to use algorithm for determining the most appropriate alternative text for any given context.
- Understanding Success Criteria 1.1.1 (Non-text Content)
- WCAG 2.0 requirements for alternative text that includes techniques for meeting this Success Criteria.
- The Web Content Accessibility Guidelines (WCAG) 2.0 is a comprehensive set of recommendations for making content accessible to a broad range of people with disabilities. Guideline 1.1.1 covers the accessibility of all Non-text Content, including images, form controls, media and sensory content.
- How to Meet WCAG 2.0 - Text alternatives
- A quick reference guide to satisfying the requirements of WCAG 2.0 as it applies to text alternatives.
- The How to Meet WCAG 2.0 document is a useful tool for systematically verifying that your document satisfies WCAG 2.0 Success Criteria.
- HTML5 - 4.7.1.1 Requirements for providing text to act as an alternative for images
- The section of the HTML5 specification that addresses the authoring of useful alt attribute content.
- Designed to address the immediate needs of web authors who primarily refer to technical specifications for guidance.