1.1.1: Non-text Content:(A)
All non-text content that is presented to the user has a text alternative that serves the equivalent purpose, except for the situations listed below. (Level A)
WCAG 2.0 Level A
1.2.1: Audio-only and Video-only (Prerecorded): (A)
For prerecorded audio-only and prerecorded video-only media, the following are true, except when the audio or video is a media alternative for text and is clearly labeled as such: (Level A)
1.2.2: Captions (Prerecorded): (A)
Captions are provided for all prerecorded audio content in synchronized media, except when the media is a media alternative for text and is clearly labeled as such. (Level A)
1.2.3: Audio Description or Media Alternative (Prerecorded): (A)
An alternative for time-based media or audio description of the prerecorded video content is provided for synchronized media, except when the media is a
media alternative for text and is clearly labeled as such. (Level A)
1.3.1: Info and Relationships: (A)
Information, structure,and relationships conveyed through presentation can be programmatically determined or are available in text. (Level A
1.3.2: Meaningful Sequence: (A)
When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined. (Level A)
1.3.3: Sensory Characteristics: (A)
Instructions provided for understanding and operating content do not rely solely on sensory characteristics of components such as shape, size, visual location,
orientation, or sound. (Level A)
1.4.1: Use of Color: (A)
Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. (Level A)
1.4.2: Audio Control: (A)
If any audio on a Web page plays automatically for more than 3 seconds, either a mechanism is available to pause or stop the audio, or a mechanism is available to control audio volume independently from the overall system volume level. (Level A)
2.1.1: Keyboard: (A)
All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except where the underlying function requires input that depends on the path of the user’s movement and not just the endpoints. (Level A)
2.1.2: No Keyboard Trap: (A)
If keyboard focus can be moved to a component of the page using a keyboard interface, then focus can be moved away from that component using only a keyboard interface, and, if it requires more than unmodified arrow or tab keys or other standard exit methods, the user is advised of the method for moving focus away. (Level A)
2.2.1: Timing Adjustable: (A)
For each time limit that is set by the content, at least one of the following is true: (Level A)
- Turn off: The user is allowed to turn off the time limit before encountering it; or
2.2.2: Pause, Stop, Hide: (A)
For moving, blinking, scrolling, or auto-updating information, all of the following are true: (Level A)
2.3.1: Three Flashes or Below Threshold: (A)
Web pages do not contain anything that flashes more than three times in any one second period, or the flash is below the general flash and red flash thresholds. (Level A)
2.4.1: Bypass Blocks: (A)
A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. (Level A)
Sufficient Techniques for 2.4.1 – Bypass Blocks
1.Creating links to skip blocks of repeated material using one of the following techniques:
2.4.2: Page Titled: (A)
Web pages have titles that describe topic or purpose. (Level A)
Sufficient Techniques for 2.4.2 – Page Titled
1.G88: Providing descriptive titles for Web pages AND associating a title with a Web page using one of the following techniques:
2.4.3: Focus Order: (A)
If a Web page can be navigated sequentially and the navigation sequences affect meaning or operation, focusable components receive focus in an order that preserves meaning and operability. (Level A)
2.4.4: Link Purpose (In Context): (A)
The purpose of each link can be determined from the link text alone, or from the link text together with its programmatically determined link context, except where the purpose of the link would be ambiguous to users in general. (Level A)
3.1.1: Language of Page: (A)
The default human language of each Web page can be programmatically determined. (Level A)
Sufficient Techniques for 3.1.1 – Language of Page
1.Identifying default human language(s) using one of the following techniques:
3.2.1: On Focus: (A)
When any component receives focus, it does not initiate a change of context. (Level A)
Sufficient Techniques for 3.2.1 – On Focus
1.G107: Using “activate” rather than “focus” as a trigger for changes of context.
3.2.2: On Input: (A)
Changing the setting of any user interface component does not automatically cause a change of context unless the user has been advised of the behavior before using the component. (Level A)
3.3.1: Error Identification: (A)
If an input error is automatically detected, the item that is in error is identified and the error is described to the user in text. (Level A)
3.3.2: Labels or Instructions: (A)
Labels or instructions are provided when content requires user input. (Level A)
Sufficient Techniques for 3.3.2 – Labels or Instructions
- 1.G131: Providing descriptive labels AND one of the following:
4.1.1: Parsing: (A)
In content implemented using markup languages, elements have complete start and end tags, elements are nested according to their specifications, elements do not contain duplicate attributes, and any IDs are unique, except where the specifications allow these features. (Level A)
4.1.2: Name, Role, Value: (A)
For all user interface components (including but not limited to: form elements, links and components generated by scripts), the name and role can be programmatically determined ; states, properties, and values that can be set by the user can be programmatically set ; and notification of changes to these items is available to user agents, including assistive technologies. (Level A)
