WCAG 2 Quick Reference


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1 Perceivable

Information and user interface components must be presentable to users in ways they can perceive.

1.1 Text Alternatives

Provide text alternatives for any non-text content so that it can be changed into other forms people need, such as large print, braille, speech, symbols or simpler language.

1.2 Time-based Media

Provide alternatives for time-based media.

1.3 Adaptable

Create content that can be presented in different ways (for example simpler layout) without losing information or structure.

1.4 Distinguishable

Make it easier for users to see and hear content including separating foreground from background.

2 Operable

User interface components and navigation must be operable.

2.1 Keyboard Accessible

Make all functionality available from a keyboard.

2.2 Enough Time

Provide users enough time to read and use content.

2.3 Seizures and Physical Reactions

Do not design content in a way that is known to cause seizures or physical reactions.

2.4 Navigable

Provide ways to help users navigate, find content, and determine where they are.

2.5 Input Modalities

Make it easier for users to operate functionality through various inputs beyond keyboard.

3 Understandable

Information and the operation of the user interface must be understandable.

3.1 Readable

Make text content readable and understandable.

3.2 Predictable

Make Web pages appear and operate in predictable ways.

3.3 Input Assistance

Help users avoid and correct mistakes.

4 Robust

Content must be robust enough that it can be interpreted by a wide variety of user agents, including assistive technologies.

4.1 Compatible

Maximize compatibility with current and future user agents, including assistive technologies.