Remapped success criteria.| Old success criterion | Old wording | New success criterion | New wording |
|---|
| 1.1.1 | All non-text content has a text alternative that presents equivalent information, except for the situations listed below.
| 1.1.1 | 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.
|
| 1.2.1 |
Captions are provided for prerecorded multimedia,
except for multimedia alternatives to text that are clearly labeled as such.
| 1.2.2 |
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. |
| 1.2.2 |
Audio description of video, or a
full text alternative for multimedia including any interaction
, is provided for prerecorded multimedia.
| 1.2.3 |
A full text alternative for synchronized media including any interaction 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.
|
| 1.2.3 |
Captions are provided for live
multimedia. | 1.2.4 |
Captions are provided for all live audio content in synchronized media. |
| 1.2.4 |
Audio description of video is provided for prerecorded multimedia.
| 1.2.5 |
Audio description is provided for all prerecorded video content in synchronized media.
|
| 1.2.5 |
Sign language interpretation is provided for multimedia.
| 1.2.6 |
Sign language interpretation is provided for all prerecorded audio content in
synchronized media.
|
| 1.2.6 |
Extended audio description of video is provided for prerecorded multimedia. | 1.2.7 |
Extended audio description is provided for all prerecorded video content in synchronized media. |
| 1.2.7 |
A
full text alternative for multimedia including any interaction
is provided for all prerecorded multimedia
,
except for multimedia alternatives to text that are clearly labeled as such
. | 1.2.8 |
A full text alternative for synchronized media including any interaction is provided for all prerecorded synchronized media and a text alternative that presents equivalent information is provided for all prerecorded video-only media. |
| 1.3.1 | Information and relationships conveyed through presentation can be programmatically determined
or are available in text
, and notification of changes to these is available to user agents, including assistive technologies. | 1.3.1 | Information, structure,
and relationships conveyed through presentation can be programmatically determined or are available in text. |
| 1.3.2 |
When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined
and sequential navigation of interactive components is consistent with that sequence.
| 1.3.2 | When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined. |
| 1.3.3 |
Instructions provided for understanding and operating content do not rely on shape, size, visual location, or orientation of components.
| 1.3.3 |
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.
|
| 1.4.1 | Any information that is conveyed by color differences
is also simultaneously visually evident without
the color differences.
| 1.4.1 |
Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.
|
| 1.4.2 |
If any audio 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 which can be set independently of the system volume.
| 1.4.2 |
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. |
| 1.4.3 |
Text (and images of text) have a contrast ratio of at least 5:1, except if the text is pure decoration. Larger-scale text or images of text can have a contrast ratio of 3:1.
| 1.4.3 |
The visual presentation of text and images of text has a contrast ratio of at least 5:1, except for the following:
|
| 1.4.4 | Visually rendered text can be resized without assistive technology up to 200 percent and down to 50 percent without loss of content or functionality.
| 1.4.4 |
Text (but not images of text)
can be resized without assistive technology up to 200 percent without loss of content or functionality.
|
| 1.4.5 |
Text (and images of text) have a contrast ratio of at least 7:1, except if the text is pure decoration. Larger-scale text or images of text can have a contrast ratio of 5:1.
| 1.4.6 |
The visual presentation of text and images of text has a contrast ratio of at least 7:1, except for the following:
|
| 1.4.6 | Audio content that contains speech in the foreground does not contain background sounds, background sounds can be turned off, or background sounds are at least 20 decibels lower than the foreground
speech content, with the exception of occasional sound effects.
| 1.4.7 | For audio content that (1) is not an audio CAPTCHA and (2) contains speech in the foreground, at least one of
the following is true: |
| 2.1.1 | 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.
| 2.1.1 | 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. |
| 2.1.2 | All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes. | 2.1.3 | All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes. |
| 2.2.1 | For each time limit that is
set by the content
, at least one of the following is true:
| 2.2.1 | For each time limit that is
set by the content, at least one of the following is true:
|
| 2.2.3 |
Moving, blinking, scrolling, or auto-updating information can be paused by the user unless it is part of an activity where timing or movement is essential. Moving content that is pure decoration can be stopped by the user.
| 2.2.2 |
For moving, blinking, scrolling, or auto-updating information, all of the following are true: |
| 2.2.4 | Timing is not an essential part of the event or activity presented by the content, except for non-interactive multimedia and
real-time events.
| 2.2.3 | 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.
|
| 2.2.5 | Interruptions, such as updated content, can be postponed or suppressed by the user, except interruptions involving an emergency. | 2.2.4 | Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency. |
| 2.2.6 | When an authenticated session expires, the user can continue the activity without loss of data after re-authenticating. | 2.2.5 | When an authenticated session expires, the user can continue the activity without loss of data after re-authenticating. |
| 2.3.1 | Content does 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.
| 2.3.1 |
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.
|
| 2.3.2 |
Content does not contain anything that flashes more than three times in any one second period.
| 2.3.2 |
Web pages do not contain anything that flashes more than three times in any one second period. |
| 2.4.1 | A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. | 2.4.1 | A mechanism is available to bypass blocks of content that are repeated on multiple Web pages. |
| 2.4.2 |
Web pages have descriptive titles.
| 2.4.2 |
Web pages have titles that describe topic or purpose. |
| 2.4.4 |
The purpose of each link can be determined from the link text and its programmatically determined link context.
| 2.4.4 |
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. |
| 2.4.5 | More than one way is available to locate content within a set of Web pages where content is not the result of, or a step in, a process.
| 2.4.5 | More than one way is available to locate a Web page
within a set of Web pages
except where the Web Page is the result of, or a step in, a process.
|
| 2.4.6 |
Headings and labels are descriptive.
| 2.4.6 |
Headings and labels describe topic or purpose. |
| 2.4.7 | Information about the user's location within a set of Web pages is available. | 2.4.8 | Information about the user's location within a set of Web pages is available. |
| 2.4.8 | The purpose of each link can be
identified from the link text.
| 2.4.9 |
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. |
| 2.4.9 | Where content is organized into sections, the sections are indicated with headings. | 2.4.10 |
Section headings are used to organize the content.
|
| 3.1.1 | The default
human language
of each
Web page
within the content can be programmatically determined.
| 3.1.1 | The default
human language
of each
Web page
can be programmatically determined.
|
| 3.1.2 | The human language of each passage or phrase in the
content can be programmatically determined.
| 3.1.2 | The human language of each passage or phrase in the
content can be programmatically determined
except for proper names, technical terms, words of indeterminate language, and words or phrases that have become part of the vernacular of the immediately surrounding text.
|
| 3.1.3 | A mechanism is available for identifying specific definitions of words or phrases used in an unusual or restricted way, including idioms and jargon. | 3.1.3 | A mechanism is available for identifying specific definitions of words or phrases used in an unusual or restricted way, including idioms and jargon. |
| 3.1.4 | A mechanism for finding the expanded form or meaning of abbreviations is available.
| 3.1.4 | A mechanism for identifying the expanded form or meaning of abbreviations is available.
|
| 3.1.5 | When text requires reading ability more advanced than the lower secondary education level, supplemental content
or an alternate version
is available that does not require reading ability more advanced than the lower secondary education level.
| 3.1.5 | When text requires reading ability more advanced than the lower secondary education level, supplemental content,
or a version
that does not require reading ability more advanced than the lower secondary education level, is available.
|
| 3.1.6 | A mechanism is available for identifying specific pronunciation of words where meaning
is ambiguous without knowing the pronunciation.
| 3.1.6 | A mechanism is available for identifying specific pronunciation of words where meaning of the words, in context, is ambiguous without knowing the pronunciation.
|
| 3.2.1 | When any component receives focus, it does not
initiate a change of context.
| 3.2.1 | When any component receives focus, it does not
initiate a change of context.
|
| 3.2.2 | 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.
| 3.2.2 | 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.
|
| 3.2.3 | Navigational mechanisms that are repeated on multiple Web pages within a set of Web pages
occur in the same relative order each time they are repeated, unless a change is initiated by the user. | 3.2.3 | Navigational mechanisms that are repeated on multiple Web pages within a set of Web pages
occur in the same relative order each time they are repeated, unless a change is initiated by the user. |
| 3.2.4 | Components that have the same functionality within a set of Web pages are identified consistently. | 3.2.4 | Components that have the same functionality within a set of Web pages are identified consistently. |
| 3.2.5 |
Changes of context are initiated only by user request. | 3.2.5 |
Changes of context are initiated only by user request or a mechanism is available to turn off such changes. |
| 3.3.1 | If an input error is automatically detected, the item that is in error is identified and described to the user in text.
| 3.3.1 | 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.
|
| 3.3.4 |
Labels or instructions are provided when content requires user input. | 3.3.2 |
Labels or instructions are provided when content requires user input. |
| 3.3.2 | If an input error is detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content.
| 3.3.3 | If an input error is automatically detected and suggestions for correction are known, then the suggestions are provided to the user, unless it would jeopardize the security or purpose of the content. |
| 3.3.3 | For forms that cause legal commitments
or financial transactions to occur, that modify or delete
user-controllable
data in data storage systems, or that submit test responses, at
least one of the following is true:
| 3.3.4 | For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true: |
| 3.3.5 |
Context-sensitive help is available. | 3.3.5 |
Context-sensitive help is available. |
| 3.3.6 | For forms that require the user to submit information, at least one of the following is true:
| 3.3.6 | For Web pages that require the user to submit information, at least one of the following is true:
|
| 4.1.1 |
Content implemented using markup languages has elements with complete start and end tags, except as allowed by their specifications, and are nested according to their specifications.
| 4.1.1 | 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. |
| 4.1.2 | For all user interface components, the name and role can be programmatically determined; states, properties, and values that can be set by the user can be programmatically determined and programmatically set; and notification of changes to these items is available to user agents, including assistive technologies.
| 4.1.2 | For all user 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.
|