WCAG 2.0 checklist Level A (Beginner)

Guideline	Summary
1.1.1 – Non-text Content	Provide text alternatives for non-text content
1.2.1 – Audio-only and Video-only (Pre-recorded)	Provide an alternative to video-only and audio-only content
1.2.2 – Captions (Pre-recorded)	Provide captions for videos with audio
1.2.3 – Audio Description or Media Alternative (Pre-recorded)	Video with audio has a second alternative
1.3.1 – Info and Relationships	Logical structure
1.3.2 – Meaningful Sequence	Present content in a meaningful order
1.3.3 – Sensory Characteristics	Use more than one sense for instructions
1.4.1 – Use of Colour	Don’t use presentation that relies solely on colour
1.4.2 – Audio Control	Don’t play audio automatically
2.1.1 – Keyboard	Accessible by keyboard only
2.1.2 – No Keyboard Trap	Don’t trap keyboard users
2.2.1 – Timing Adjustable	Time limits have user controls
2.2.2 – Pause, Stop, Hide	Provide user controls for moving content
2.3.1 – Three Flashes or Below	No content flashes more than three times per second
2.4.1 – Bypass Blocks	Provide a ‘Skip to Content’ link
2.4.2 – Page Titled	Use helpful and clear page titles
2.4.3 – Focus Order	Logical order
2.4.4 – Link Purpose (In Context)	Every link’s purpose is clear from its context
3.1.1 – Language of Page	Page has a language assigned
3.2.1 – On Focus	Elements do not change when they receive focus
3.2.2 – On Input	Elements do not change when they receive input
3.3.1 – Error Identification	Clearly identify input errors
3.3.2 – Labels or Instructions	Label elements and give instructions
4.1.1 – Parsing	No major code errors
4.1.2 – Name, Role, Value	Build all elements for accessibility

WCAG 2.0 checklist Level AA (Intermediate)

Guideline	Summary
1.2.4 – Captions (Live)	Live videos have captions
1.2.5 – Audio Description (Pre-recorded)	Users have access to audio description for video content
1.4.3 – Contrast (Minimum)	Contrast ratio between text and background is at least 4.5:1
1.4.4 – Resize Text	Text can be resized to 200% without loss of content or function
1.4.5 – Images of Text	Don’t use images of text
2.4.5 – Multiple Ways	Offer several ways to find pages
2.4.6 – Headings and Labels	Use clear headings and labels
2.4.7 – Focus Visible	Ensure keyboard focus is visible and clear
3.1.2 – Language of Parts	Tell users when the language on a page changes
3.2.3 – Consistent Navigation	Use menus consistently
3.2.4 – Consistent Identification	Use icons and buttons consistently
3.3.3 – Error Suggestion	Suggest fixes when users make errors
3.3.4- Error Prevention (Legal, Financial, Data)	Reduce the risk of input errors for sensitive data

 

WCAG 2.0 checklist Level AAA (Advanced)

Guideline	Summary
1.2.6 – Sign Language (Pre-recorded)	Provide sign language translations for videos
1.2.7 – Extended Audio description (Pre-recorded)	Provide extended audio description for videos
1.2.8 – Media Alternative (Pre-recorded)	Provide a text alternative to videos
1.2.9 – Audio Only (Live)	Provide alternatives for live audio
1.4.6 – Contrast (Enhanced)	Contrast ratio between text and background is at least 7:1
1.4.7 – Low or No Background Audio	Audio is clear for listeners to hear
1.4.8 – Visual Presentation	Offer users a range of presentation options
1.4.9 – Images of Text (No Exception)	Don’t use images of text
2.1.3 – Keyboard (No Exception)	Accessible by keyboard only, without exception
2.2.3 – No Timing	No time limits
2.2.4 – Interruptions	Don’t interrupt users
2.2.5 – Re-authenticating	Save user data when re-authenticating
2.3.2 – Three Flashes	No content flashes more than three times per second
2.4.8 – Location	Let users know where they are
2.4.9 – Link Purpose (Link Only)	Every link’s purpose is clear from its text
2.4.10 – Section Headings	Break up content with headings
3.1.3 – Unusual words	Explain any strange words
3.1.4 – Abbreviations	Explain any abbreviations
3.1.5 – Reading Level	Users with nine years of school can read your content
3.1.6 – Pronunciation	Explain any words that are hard to pronounce
3.2.5 – Change on Request	Don’t change elements on your website until users ask
3.3.5 – Help	Provide detailed help and instructions
3.3.6 – Error Prevention (All)	Reduce the risk of all input errors