Prerequisites
- Read: What is accessibility? (MDN)
Definitions
- Accessibility
- Enabling as many people as possible to use Web sites, even when those people’s abilities are limited in some way. MDN
WGAC 2.1 Four Principles
See: Web Content Accessibility Guidelines
- Perceivable: Information and user interface components must be presentable to users in ways they can perceive.
- Operable: User interface components and navigation must be operable.
- Understandable: Information and the operation of user interface must be understandable.
- Robust: Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.
What are some types of disabilities that may affect how someone uses a website?
- Sight: blind or low vision
- Hearing: deaf or hard of hearing (caption on videos)
- Mobility: unable to use mouse, only uses keyboard, uses voice commands
- Cognitive disabilities:
- brain injury/disease
- dyslexia
- memory
- ADHD
Assistive Technology Examples
- Screen reader
- Screen magnification software
- Text reader
- Speech input software
- Alternative input devices
- Head pointer
- Motion tracking/eye tracking
- Single switch entry device