As defined by the guidelines, to achieve WCAG compliance, digital content must be perceivable, operable, understandable and robust in order to be accessible to all users.
- Perceivable content means that all users must be able to perceive and understand all digital content and information featured on a website.
- Operable content means that all users must be able to easily navigate information throughout the website.
- Understandable means that all users should be able to follow, read and digest digital information displayed on a website.
- Robust means digital content should be compatible with assistive technologies and should evolve with assistive technologies.