Accessibility
Following these guidelines will make content accessible to a wider range of people with disabilities, including blindness and low vision, deafness and hearing loss, learning disabilities, cognitive limitations, limited movement, speech difficulties, photosensitivity and combinations of these. Following these guidelines will also make your Web content more accessible to the vast majority of users, including some older users.
Perceivable
Information and user interface components must be perceivable by users.
- Alternative Text for Images
- Text Equivalents of Audio Content
- Adequate Color Contrast
Operable
User interface components must be operable by users.
- Navigable via Keyboard
- Variable Font Size
Understandable
Information and operation of user interface must be understandable by users.
- Operates in Predictable Ways
- Easy Navigation
- Horizontal Scrolling Not Required
Robust
Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.
- Proper XHTML Coding
- Voice Browser Friendly
- Text Browser Friendly
