- Provide text alternatives
- Non-text content (images, audio and video…)
- Equivalent purpose
- Multiple ways of providing alternatives
- CAPTCHA needs accessible alternatives
- Decorative content
- Images of text
- Structure contents
- Headings
- Lists
- Data tables
- Markup vs. style sheets
- Resize text
- Bypass blocks
- Avoid dependence on a single sense
- Captions and audio descriptions
- Use of colour
- Sensory characteristics
- Contrast
- Background audio
- Make all functionalities keyboard accessible
- Keyboard access
- No keyboard trap
- Focus order and visibility
- Unexpected behaviour
- Drop down menus, accordions, carousels…
- Give users enough time
- Timing adjustable
- Automatic redirections
- Long processes
- Banners
- Avoid interferences
- Seizures and flashes
- Audio control
- Blinking, moving, auto-updating
- Opening new windows
- Unexpected behaviour
- Identify hyperlinks and contents
- Link purpose
- Page titles
- Language of page and parts
- Form labels
- Section headings
- Opening new windows
- Make navigation interfaces consistent
- Consistent navigation
- Consistent identification
- Multiple ways
- Information architecture
- Help users avoid mistakes
- Labels and instructions
- Error identification
- Error suggestion
- Error prevention
- Good information architecture
- Ensure compatibility
- Web standards and code validation
- Accessible use of technologies
- User tests
- JavaScript, PDF and Flash
- WAI-ARIA: Accessible Rich Internet Applications
Todo tipo de información sobre accesibilidad en la Web: errores de accesibilidad, ejemplos de páginas inaccesibles, noticias, software, hardware, ayudas técnicas, tecnologías de apoyo, consejos, pautas y guías de accesibilidad, WAI, WCAG, Norma UNE 139803:2004, legislación, etc.
miércoles, 24 de agosto de 2016
Las 10 de reglas de oro para el diseño web accesible (según la Comisión Europea)
En 10 golden rules in accessible Web design encontramos:
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