Standard: WCAG 2.0 AA
WCAG 2.0 Summary Level A
Guideline |
Summary |
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)
Guideline |
Summary |
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 |