Skip to main content
Accessibility standards and issues database
University of Colorado Boulder
Main menu
Issues
WCAG
Issues Related to WCAG
Feedback
You are here
Home
»
WCAG
Principle 1: Perceivable
Description of Principle:
Information and user interface components must be presentable to users in ways they can perceive. This means that users must be able to perceive the information being presented (it can't be invisible to all of their senses)
WCAG Section URL:
http://www.w3.org/TR/UNDERSTANDING-WCAG20/intro.html
Guideline 1.1: Text Alternatives
Guideline 1.2: Time-based Media
Guideline 1.3: Adaptable
Guideline 1.4: Distinguishable
‹ WCAG Principles, Guidelines, and Success Criteria
up
Guideline 1.1: Text Alternatives ›
WCAG Principles, Guidelines, and Success Criteria
Principle 1: Perceivable
Guideline 1.1: Text Alternatives
Guideline 1.2: Time-based Media
Guideline 1.3: Adaptable
Guideline 1.4: Distinguishable
Principle 2: Operable
Principle 3: Usable
Principle 4: Robust
