Accessibility standards and requirements checklist

 

Principle	Web Standards	Requirements	Priority
Perceivable	Text alternatives for images	Text alternatives for images	A
	Time-Based Media	Pre-recorded audio only & video only	A
		Pre-recorded Captions	A
		Pre-recorded audio description or media alternative	A
		live captions	AA
		pre-recorded audio description	AA
		Pre-recorded Sign Language	AAA
		Pre-recorded Extended Audio Description	AAA
		Pre-recorded Media Alternative	AAA
		Live Audio only	AAA
	Adaptable view	Info & relationships	A
		Meaningful Sequence	A
		Sensory Characteristics	A
	Distinguishable	Use of colour	A
		Audio control	A
		Resize Text	AA
		Contrast (maximum)	AAA
		Low or no background noise	AAA
		Visual presentation	AAA
		Images of Text (no exceptions)	AAA
Operable	Keyboard Accessible	Ensure you don’t have a keyboard trap	A
		Code it to have full keyboard function to access the content	AAA
	Enough time	Adjustable Timing (turn off, adjust, extend, etc)	A
		Playback functions (pause, stop, hide)	A
		No timing	AAA
		Interruptions	AAA
		Re-Authenticating	AAA
	Seizures	Don’t use flashing in text or images with frequency >2 Hz & < 55 Hz	AAA
		Don’t have anything that flashes more then 3 times in one second or high pitch frequencies in audio as these may induce seizures	AAA
	Clear Navigation	Bypass blocks	A
		Page title	A
		Focus Order	A
		Link Purpose	A
		Multiple ways of navigation	AA
		Headings & Labels	AA
		Focus Visible	AA
		Users Location	AAA
		Link Purpose	AAA
		Section Headings	AAA
Understandable	Readable	Page Language	A
		Language of parts	A
		Unusual Words	AA
		Abbreviations	AA
		Reading level	AA
		pronunciations	AA
	Predictable	On focus	A
		On Input	A
		Consistent Navigation	AA
		Consistent identification	AA
		Change on request	AAA
	Input Assistance	Error identification	A
		Labels or instructions	A
		Error suggestion	AA
		Help	AAA
		Error prevention	AAA
Robust	Compatibility	parsing	A
		name, role, value	A