2.1 Principle 1 - Perceivable

Under the principle of perceivable [ http://www.w3.org/TR/2008/REC-WCAG20-20081211/#perceivable ], the guideline states that information and user interface components must be presentable to users in ways they can perceive.

The W3C says:

  • Provide text alternatives for non-text content.
  • Provide captions and other alternatives for multimedia.
  • Create content that can be presented in different ways, including by assistive technologies, without losing meaning.
  • Make it easier for users to see and hear content.

From: WCAG 2 at a Glance [ http://www.w3.org/WAI/WCAG20/glance/ ]

A picture is worth a thousand words... but only if you can see it.

A thousand spoken words may paint a picture, but only if you can hear them.

C. Letourneau

If the user can't find it, it doesn't exist.

Human Factors International button