WCAG 2.0 Level AAA

1.2.6: Sign Language (Prerecorded): (AAA)

Sign language interpretation is provided for all prerecorded audio content in synchronized media. (Level AAA)

Sufficient Techniques for 1.2.6 – Sign Language (Prerecorded)

  • 1.G54: Including a sign language interpreter in the video stream

1.2.7: Extended Audio Description (Prerecorded): (AAA)

Where pauses in foreground audio are insufficient to allow audio descriptions to convey the sense of the video, extended audio description is provided for all prerecorded video content in synchronized media. (Level AAA)

1.2.8: Media Alternative (Prerecorded): (AAA)

An alternative for time-based media is provided for all prerecorded synchronized media and for all prerecorded video-only media. (Level AAA)

1.2.9: Audio-only (Live): (AAA)

An alternative for time-based media that presents equivalent information for live audio-only content is provided. (Level AAA)

1.4.6: Contrast (Enhanced): (AAA)

The visual presentation of text and images of text has a contrast ratio of at least 7:1, except for the following: (Level AAA)

1.4.7: Low or No Background Audio: (AAA)

For prerecorded audio-only content that (1) contains primarily speech in the foreground, (2) is not an audio CAPTCHA or audio logo, and (3) is not vocalization intended to be primarily musical expression such as singing or rapping, at least one of the following is true: (Level AAA)

1.4.8: Visual Presentation: (AAA)

For the visual presentation of blocks of text, a mechanism is available to achieve the following: (Level AAA)

  • 1.foreground and background colors can be selected by the user

1.4.9: Images of Text (No Exception): (AAA)

Images of text are only used for pure decoration or where a particular presentation of text is essential to the information being conveyed. (Level AAA)

2.1.3: Keyboard (No Exception): (AAA)

All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes. (Level AAA)

2.2.3: No Timing: (AAA)

Timing is not an essential part of the event or activity presented by the content, except for non-interactive synchronized media and real-time events. (Level AAA)

2.2.4: Interruptions: (AAA)

Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency. (Level AAA)

Sufficient Techniques for 2.2.4 – Interruptions

  • 1.G75: Providing a mechanism to postpone any updating of content

2.2.5: Re-authenticating: (AAA)

When an authenticated session expires, the user can continue the activity without loss of data after re-authenticating. (Level AAA)

2.3.2: Three Flashes: (AAA)

Web pages do not contain anything that flashes more than three times in any one second period. (Level AAA)

2.4.10: Section Headings: (AAA)

Section headings are used to organize the content. (Level AAA)

Note 1: “Heading” is used in its general sense and includes titles and other ways to add a heading to different types of content.

2.4.8: Location: (AAA)

Information about the user’s location within a set of Web pages is available. (Level AAA)

Sufficient Techniques for 2.4.8 – Location

  • 1.G65: Providing a breadcrumb trail

2.4.9: Link Purpose (Link Only): (AAA)

A mechanism is available to allow the purpose of each link to be identified from link text alone, except where the purpose of the link would be ambiguous to users in general. (Level AAA)

3.1.3: Unusual Words: (AAA)

A mechanism is available for identifying specific definitions of words or phrases used in an unusual or restricted way, including idioms and jargon. (Level AAA)

3.1.4: Abbreviations: (AAA)

A mechanism for identifying the expanded form or meaning of abbreviations is available. (Level AAA)

3.1.5: Reading Level: (AAA)

When text requires reading ability more advanced than the lower secondary education level after removal of proper names and titles, supplemental content, or a version that does not require reading ability more advanced than the lower secondary education level, is available. (Level AAA)

3.1.6: Pronunciation: (AAA)

A mechanism is available for identifying specific pronunciation of words where meaning of the words, in context, is ambiguous without knowing the pronunciation. (Level AAA

3.2.5: Change on Request: (AAA)

Changes of context are initiated only by user request or a mechanism is available to turn off such changes. (Level AAA)

3.3.5: Help: (AAA)

Context-sensitive help is available. (Level AAA)

Sufficient Techniques for 3.3.5 – Help

Situation A: If a form requires text input:

  • 1.G71: Providing a help link on every Web page

3.3.6:Error Prevention (All): (AAA)

For Web pages that require the user to submit information, at least one of the following is true: (Level AAA)

  • 1.Reversible: Submissions are reversible.