Accessibility principles

Perceivable

• 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.

Operable

• Make all functionality available from a keyboard.
• Give users enough time to read and use content.
• Do not use content that causes seizures.
• Help users navigate and find content.

Understandable

• Make text readable and understandable.
• Make content appear and operate in predictable ways.
• Help users avoid and correct mistakes.

Robust

• Maximize compatibility with current and future user tools.