Standard: WCAG 2.0 AA

WCAG 2.0 Summary Level A



1.1 – Non-text Content

Provide text alternatives for non-text content

2.1 – Audio-only and Video-only (Pre-recorded)

Provide an alternative to video-only and audio-only content

2.2 – Captions (Pre-recorded)

Provide captions for videos with audio

2.3 – Audio Description or Media Alternative (Pre-recorded)

Video with audio has a second alternative

3.1 – Info and Relationships

Logical Structure

3.2 – Meaningful Sequence

Present content in a meaningful order

3.3 – Sensory Characteristics

Use more than one sense for instructions

4.1 – Use of Color

Do not use presentation that relies solely on color

4.2 – Audio Control

Do not play audio automatically

1.1 – Keyboard

Accessible by keyboard only

1.2 – No Keyboard Trap

Do not trap keyboard only users

2.1 – Timing Adjustable

Time limits have user control

2.2 – Pause, Stop, Hide

Provide user control for moving content

3.1 – Three Flashes or Below

No content flashes more than three times per second

4.1 – Bypass Blocks

Provide a ‘Skip to Content’ link

4.2 – Page Titled

Use helpful and clear page titles

4.3 – Focus Order

Logical order

4.4 – Link Purpose (In Context)

Every link’s purpose is clear from its context

1.1 – Language of Page

Page has a language assigned

2.1 – On Focus

Elements do not change when they receive focus

2.2 – On Input

Elements do not change when they receive input

3.1 – Error Identification

Clearly identify input errors

3.2 – Labels or Instructions

Label elements and give instructions

1.1 – Parsing

No major code errors

1.2 – Name, Role, Value

Build all elements for accessibility


WCAG 2.0 Summary Level AA (includes everything from Level A plus these additional items)



2.4 – Captions (Live)

Live videos have captions

2.5 – Audio Description (Pre-recorded)

Users have access to audio description for video content

4.3 – Contrast (Minimum)

Contrast Ratio b

4.4 – Resize Text

Text can be resized to 200% without loss of content or function

4.5 – Images of Text

Do not use images of text

4.5 – Multiple Waves

Offer several ways to find pages

4.6 – Headings and Labels

Use clear headings and labels

4.7 – Focus Visible

Ensure keyboard focus is visible and clear

1.2 – Language of Parts

Tell users when the language on a page to changes

2.3 – Consistent Navigation

Use menus consistently

2.4 – Consistent Identification

Use icons and buttons consistently

3.3 – Error Suggestion

Suggest fixes when users make errors

3.4 – Error Preventions (Legal, Financial, Data)

Reduce the risk of input errors for sensitive data