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+ARIA Techniques
+
+
+ §
+
+
+
- ARIA Techniques
-
-
- Client-Side Script Techniques
-
-
- CSS Techniques
-
-
- Common Failures
-
- F1: Failure of Success Criterion 1.3.2 due to changing the meaning of content by positioning
- information with CSS F2: Failure of Success Criterion 1.3.1 due to using changes in text presentation to convey
- information without using the appropriate markup or text F3: Failure of Success Criterion 1.1.1 due to using CSS to include images that convey
- important information F4: Failure of Success Criterion 2.2.2 due to using text-decoration:blink without a mechanism
- to stop it in less than five seconds F7: Failure of Success Criterion 2.2.2 due to an object or applet, such as Java or Flash,
- for more than five seconds F8: Failure of Success Criterion 1.2.2 due to captions omitting some dialogue or important
- sound effects F9: Failure of Success Criterion 3.2.5 due to changing the context when the user removes
- focus from a form element F10: Failure of Success Criterion 2.1.2 and Conformance Requirement 5 due to combining
- multiple content formats in a way that traps users inside one format type F12: Failure of Success Criterion 2.2.5 due to having a session time limit without a mechanism
- re-authentication F13: Failure of Success Criterion 1.1.1 and 1.4.1 due to having a text alternative that
- does not include information that is conveyed by color differences in the image F14: Failure of Success Criterion 1.3.3 due to identifying content only by its shape or
- location F15: Failure of Success Criterion 4.1.2 due to implementing custom controls that do not
- use an accessibility API for the technology, or do so incompletely F16: Failure of Success Criterion 2.2.2 due to including scrolling content where movement
- is not essential to the activity without also including a mechanism to pause and restart
- the content F19: Failure of Conformance Requirement 1 due to not providing a method for the user to
- find the alternative conforming version of a non-conforming Web page F20: Failure of Success Criterion 1.1.1 and 4.1.2 due to not updating text alternatives
- when changes to non-text content occur F22: Failure of Success Criterion 3.2.5 due to opening windows that are not requested by
- the user F23: Failure of 1.4.2 due to playing a sound longer than 3 seconds where
- there is no mechanism to turn it off F24: Failure of Success Criterion 1.4.3, 1.4.6 and 1.4.8 due to specifying foreground colors
- without specifying background colors or vice versa F25: Failure of Success Criterion 2.4.2 due to the title of a Web page not identifying
- the contents F26: Failure of Success Criterion 1.3.3 due to using a graphical symbol alone to convey
- information F30: Failure of Success Criterion 1.1.1 and 1.2.1 due to using text alternatives that are
- not alternatives (e.g., filenames or placeholder text) F31: Failure of Success Criterion 3.2.4 due to using two different labels for the same
- function on different Web pages within a set of Web pages F32: Failure of Success Criterion 1.3.2 due to using white space characters to control
- spacing within a word F33: Failure of Success Criterion 1.3.1 and 1.3.2 due to using white space characters to
- create multiple columns in plain text content F34: Failure of Success Criterion 1.3.1 and 1.3.2 due to using white space characters to
- format tables in plain text content F36: Failure of Success Criterion 3.2.2 due to automatically submitting a form and given
- a value F37: Failure of Success Criterion 3.2.2 due to launching a new window without prior warning
- when the selection of a radio button, check box or select list is changed F38: Failure of Success Criterion 1.1.1 due to not marking up decorative images in HTML
- in a way that allows assistive technology to ignore them F39: Failure of Success Criterion 1.1.1 due to providing a text alternative that is not
- null (e.g., alt="spacer" or alt="image") for images that should be ignored by assistive
- technology F40: Failure of Success Criterion 2.2.1 and 2.2.4 due to using meta redirect with a time
- limit F41: Failure of Success Criterion 2.2.1, 2.2.4, and 3.2.5 due to using meta refresh to
- reload the page F42: Failure of Success Criteria 1.3.1, 2.1.1, 2.1.3, or 4.1.2 when emulating links F43: Failure of Success Criterion 1.3.1 due to using structural markup in a way that does
- not represent relationships in the content F44: Failure of Success Criterion 2.4.3 due to using tabindex to create a tab order that
- does not preserve meaning and operability F46: Failure of Success Criterion 1.3.1 due to using th elements, layout tables F47: Failure of Success Criterion 2.2.2 due to using the blink element F48: Failure of Success Criterion 1.3.1 due to using the pre element to markup tabular
- information F49: Failure of Success Criterion 1.3.2 due to using an HTML layout table that does not
- make sense when linearized F50: Failure of Success Criterion 2.2.2 due to a script that causes a blink effect without
- a mechanism to stop the blinking at 5 seconds or less F52: Failure of Success Criterion 3.2.1 and 3.2.5 due to opening a new window as soon as
- a new page is loaded F54: Failure of Success Criterion 2.1.1 due to using only pointing-device-specific event
- handlers (including gesture) for a function F55: Failure of Success Criteria 2.1.1, 2.4.7, and 3.2.1 due to using script to remove
- focus when focus is received F58: Failure of Success Criterion 2.2.1 due to using server-side techniques to automatically
- redirect pages after a time-out F59: Failure of Success Criterion 4.1.2 due to using script to make div or span a user
- interface control in HTML without providing a role for the control F60: Failure of Success Criterion 3.2.5 due to launching a new window when a user enters
- text into an input field F61: Failure of Success Criterion 3.2.5 due to complete change of main content through
- an automatic update that the user cannot disable from within the content F63: Failure of Success Criterion 2.4.4 due to providing link context only in content that
- is not related to the link F65: Failure of Success Criterion 1.1.1 due to omitting the alt attribute or text alternative
- on img elements, area elements, and input elements of type "image" F66: Failure of Success Criterion 3.2.3 due to presenting navigation links in a different
- relative order on different pages F67: Failure of Success Criterion 1.1.1 and 1.2.1 due to providing long descriptions for
- non-text content that does not serve the same purpose or does not present the same
- information F68: Failure of Success Criterion 4.1.2 due to a user interface control not having a programmatically
- determined name F69: Failure of Success Criterion 1.4.4 when resizing visually rendered text up to 200
- percent causes the text, image or controls to be clipped, truncated or obscured F70: Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute
- markup F71: Failure of Success Criterion 1.1.1 due to using text look-alikes to represent text
- without providing a text alternative F72: Failure of Success Criterion 1.1.1 due to using ASCII art without providing a text
- alternative F73: Failure of Success Criterion 1.4.1 due to creating links that are not visually evident
- without color vision F74: Failure of Success Criterion 1.2.2 and 1.2.8 due to not labeling a synchronized media
- alternative to text as an alternative F75: Failure of Success Criterion 1.2.2 by providing synchronized media without captions
- when the synchronized media presents more information than is presented on the page F77: Failure of Success Criterion 4.1.1 due to duplicate values of type ID F78: Failure of Success Criterion 2.4.7 due to styling element outlines and borders in
- a way that removes or renders non-visible the visual focus indicator F79: Failure of Success Criterion 4.1.2 due to the focus state of a user interface component
- not being programmatically determinable or no notification of change of focus state
- available F80: Failure of Success Criterion 1.4.4 when text-based form controls do not resize when
- visually rendered text is resized up to 200% F81: Failure of Success Criterion 1.4.1 due to identifying required or error fields using
- color differences only F82: Failure of Success Criterion 3.3.2 by visually formatting a set of phone number fields
- but not including a text label F83: Failure of Success Criterion 1.4.3 and 1.4.6 due to using background images that do
- not provide sufficient contrast with foreground text (or images of text) F84: Failure of Success Criterion 2.4.9 due to using a non-specific link such as "click
- here" or "more" without a mechanism to change the link text to specific text. F85: Failure of Success Criterion 2.4.3 due to using dialogs or menus that are not adjacent
- to their trigger control in the sequential navigation order F86: Failure of Success Criterion 4.1.2 due to not providing names for each part of a multi-part
- form field, such as a US telephone number F87: Failure of Success Criterion 1.3.1 due to inserting non-decorative content by using
- :before and :after pseudo-elements and the 'content' property in CSS F88: Failure of Success Criterion 1.4.8 due to using text that is justified (aligned to
- both the left and the right margins) F89: Failure of Success Criteria 2.4.4, 2.4.9 and 4.1.2 due to not providing an accessible
- name for an image which is the only content in a link F90: Failure of Success Criterion 1.3.1 for incorrectly associating table headers and content
- via the headers and id attributes F91: Failure of Success Criterion 1.3.1 for not correctly marking up table headers F92: Failure of Success Criterion 1.3.1 due to the use of role presentation on content
- which conveys semantic information F93: Failure of Success Criterion 1.4.2 for absence of a way to pause or stop an HTML5
- media element that autoplays
-
- Flash Techniques
-
-
- General Techniques
-
- G1: Adding a link at the top of each page that goes directly to the main content area G4: Allowing the content to be paused and restarted from where it was paused G5: Allowing users to complete an activity without any time limit G8: Providing a movie with extended audio descriptions G9: Creating captions for live synchronized media G10: Creating components using a technology that supports the accessibility notification
- of changes G11: Creating content that blinks for less than 5 seconds G13: Describing what will happen before a change to a form control that causes a change
- of context to occur is made G14: Ensuring that information conveyed by color differences is also available in text G15: Using a tool to ensure that content does not violate the general flash threshold or
- red flash threshold G17: Ensuring that a contrast ratio of at least 7:1 exists between text (and images of
- text) and background behind the text G18: Ensuring that a contrast ratio of at least 4.5:1 exists between text (and images of
- text) and background behind the text G19: Ensuring that no component of the content flashes more than three times in any 1-second
- period G21: Ensuring that users are not trapped in content G53: Identifying the purpose of a link using link text combined with the text of the enclosing
- sentence G54: Including a sign language interpreter in the video stream G55: Linking to definitions G56: Mixing audio files so that non-speech sounds are at least 20 decibels lower than the
- speech audio content G57: Ordering the content in a meaningful sequence G58: Placing a link to the alternative for time-based media immediately next to the non-text
- content G59: Placing the interactive elements in an order that follows sequences and relationships
- within the content G60: Playing a sound that turns off automatically within three seconds G61: Presenting repeated components in the same relative order each time they appear G62: Providing a glossary G63: Providing a site map G64: Providing a Table of Contents G65: Providing a breadcrumb trail G68: Providing a short text alternative that describes the purpose of live audio-only and
- live video-only content G69: Providing an alternative for time based media G70: Providing a function to search an online dictionary G71: Providing a help link on every Web page G73: Providing a long description in another location with a link to it that is immediately
- adjacent to the non-text content G74: Providing a long description in text near the non-text content, with a reference to
- the location of the long description in the short description G75: Providing a mechanism to postpone any updating of content G76: Providing a mechanism to request an update of the content instead of updating automatically G78: Providing a second, user-selectable, audio track that includes audio descriptions G79: Providing a spoken version of the text G80: Providing a submit button to initiate a change of context G81: Providing a synchronized video of the sign language interpreter that can be displayed
- in a different viewport or overlaid on the image by the player G82: Providing a text alternative that identifies the purpose of the non-text content G83: Providing text descriptions to identify required fields that were not completed G84: Providing a text description when the user provides information that is not in the
- list of allowed values G85: Providing a text description when user input falls outside the required format or
- values G86: Providing a text summary that can be understood by people with lower secondary education
- level reading ability G87: Providing closed captions G88: Providing descriptive titles for Web pages G89: Providing expected data format and example G90: Providing keyboard-triggered event handlers G91: Providing link text that describes the purpose of a link G92: Providing long description for non-text content that serves the same purpose and presents
- the same information G93: Providing open (always visible) captions G94: Providing short text alternative for non-text content that serves the same purpose
- and presents the same information as the non-text content G95: Providing short text alternatives that provide a brief description of the non-text
- content G96: Providing textual identification of items that otherwise rely only on sensory information
- to be understood G97: Providing the first use of an abbreviation immediately before or after the expanded
- form G98: Providing the ability for the user to review and correct answers before submitting G99: Providing the ability to recover deleted information G100: Providing a short text alternative which is the accepted name or a descriptive name
- of the non-text content G101: Providing the definition of a word or phrase used in an unusual or restricted way G102: Providing the expansion or explanation of an abbreviation G103: Providing visual illustrations, pictures, and symbols to help explain ideas, events,
- and processes G105: Saving data so that it can be used after a user re-authenticates G107: Using "activate" rather than "focus" as a trigger for changes of context G108: Using markup features to expose the name and role, allow user-settable properties
- to be directly set, and provide notification of changes G110: Using an instant client-side redirect G111: Using color and pattern G112: Using inline definitions G115: Using semantic elements to mark up structure G117: Using text to convey information that is conveyed by variations in presentation of
- text G120: Providing the pronunciation immediately following the word G121: Linking to pronunciations G123: Adding a link at the beginning of a block of repeated content to go to the end of
- the block G124: Adding links at the top of the page to each area of the content G125: Providing links to navigate to related Web pages G126: Providing a list of links to all other Web pages G127: Identifying a Web page's relationship to a larger collection of Web pages G128: Indicating current location within navigation bars G130: Providing descriptive headings G131: Providing descriptive labels G133: Providing a checkbox on the first page of a multipart form that allows users to ask
- for longer session time limit or no session time limit G134: Validating Web pages G135: Using the accessibility API features of a technology to expose names and notification
- of changes G136: Providing a link at the beginning of a nonconforming Web page that points to a conforming
- alternate version G138: Using semantic markup whenever color cues are used G139: Creating a mechanism that allows users to jump to errors G140: Separating information and structure from presentation to enable different presentations G141: Organizing a page using headings G142: Using a technology that has commonly-available user agents that support zoom G143: Providing a text alternative that describes the purpose of the CAPTCHA G144: Ensuring that the Web Page contains another CAPTCHA serving the same purpose using
- a different modality G145: Ensuring that a contrast ratio of at least 3:1 exists between text (and images of
- text) and background behind the text G146: Using liquid layout G148: Not specifying background color, not specifying text color, and not using technology
- features that change those defaults G149: Using user interface components that are highlighted by the user agent when they receive
- focus G150: Providing text based alternatives for live audio-only content G151: Providing a link to a text transcript of a prepared statement or script if the script
- is followed G152: Setting animated gif images to stop blinking after n cycles (within 5 seconds) G153: Making the text easier to read G155: Providing a checkbox in addition to a submit button G156: Using a technology that has commonly-available user agents that can change the foreground
- and background of blocks of text G157: Incorporating a live audio captioning service into a Web page G158: Providing an alternative for time-based media for audio-only content G159: Providing an alternative for time-based media for video-only content G160: Providing sign language versions of information, ideas, and processes that must be
- understood in order to use the content G161: Providing a search function to help users find content G162: Positioning labels to maximize predictability of relationships G163: Using standard diacritical marks that can be turned off G164: Providing a stated time within which an online request (or transaction) may be amended
- or canceled by the user after making the request G165: Using the default focus indicator for the platform so that high visibility default
- focus indicators will carry over G166: Providing audio that describes the important video content and describing it as such G167: Using an adjacent button to label the purpose of a field G168: Requesting confirmation to continue with selected action G169: Aligning text on only one side G170: Providing a control near the beginning of the Web page that turns off sounds that
- play automatically G171: Playing sounds only on user request G172: Providing a mechanism to remove full justification of text G173: Providing a version of a movie with audio descriptions G174: Providing a control with a sufficient contrast ratio that allows users to switch to
- a presentation that uses sufficient contrast G175: Providing a multi color selection tool on the page for foreground and background colors G176: Keeping the flashing area small enough G177: Providing suggested correction text G178: Providing controls on the Web page that allow users to incrementally change the size
- of all text on the page up to 200 percent G179: Ensuring that there is no loss of content or functionality when the text resizes and
- text containers do not change their width G180: Providing the user with a means to set the time limit to 10 times the default time
- limit G181: Encoding user data as hidden or encrypted data in a re-authorization page G182: Ensuring that additional visual cues are available when text color differences are
- used to convey information G183: Using a contrast ratio of 3:1 with surrounding text and providing additional visual
- cues on focus for links or controls where color alone is used to identify them G184: Providing text instructions at the beginning of a form or set of fields that describes
- the necessary input G185: Linking to all of the pages on the site from the home page G186: Using a control in the Web page that stops moving, blinking, or auto-updating content G187: Using a technology to include blinking content that can be turned off via the user
- agent G188: Providing a button on the page to increase line spaces and paragraph spaces G189: Providing a control near the beginning of the Web page that changes the link text G190: Providing a link adjacent to or associated with a non-conforming object that links
- to a conforming alternate version G191: Providing a link, button, or other mechanism that reloads the page without any blinking
- content G192: Fully conforming to specifications G193: Providing help by an assistant in the Web page G194: Providing spell checking and suggestions for text input G195: Using an author-supplied, highly visible focus indicator G196: Using a text alternative on one item within a group of images that describes all items
- in the group G197: Using labels, names, and text alternatives consistently for content that has the same
- functionality G198: Providing a way for the user to turn the time limit off G199: Providing success feedback when data is submitted successfully G200: Opening new windows and tabs from a link only when necessary G201: Giving users advanced warning when opening a new window G202: Ensuring keyboard control for all functionality G203: Using a static text alternative to describe a talking head video G204: Not interfering with the user agent's reflow of text as the viewing window is narrowed G205: Including a text cue for colored form control labels G206: Providing options within the content to switch to a layout that does not require the
- user to scroll horizontally to read a line of text
-
- HTML Techniques
-
-
- PDF Techniques
-
-
- Server-Side Script Techniques
-
-
- Silverlight Techniques
-
-
- SMIL Techniques
-
-
- Plain-Text Techniques
-
+
+ ARIA1: Using the aria-describedby property to provide a descriptive label for user interface
+ controls
+
+
+
+ ARIA2: Identifying a required field with the aria-required property
+
+
+ ARIA4: Using a WAI-ARIA role to expose the role of a user interface component
+
+
+ ARIA5: Using WAI-ARIA state and property attributes to expose the state of a user interface
+ component
+
+
+
+ ARIA6: Using aria-label to provide labels for objects
+
+
+ ARIA7: Using aria-labelledby for link purpose
+
+
+ ARIA8: Using aria-label for link purpose
+
+
+ ARIA9: Using aria-labelledby to concatenate a label from several text nodes
+
+
+ ARIA10: Using aria-labelledby to provide a text alternative for non-text content
+
+
+ ARIA11: Using ARIA landmarks to identify regions of a page
+
+
+ ARIA12: Using role=heading to identify headings
+
+
+ ARIA13: Using aria-labelledby to name regions and landmarks
+
+
+ ARIA14: Using aria-label to provide an invisible label where a visible label cannot be used
+
+
+ ARIA15: Using aria-describedby to provide descriptions of images
+
+
+ ARIA16: Using aria-labelledby to provide a name for user interface controls
+
+
+ ARIA17: Using grouping roles to identify related form controls
+
+
+ ARIA18: Using aria-alertdialog to Identify Errors
+
+
+ ARIA19: Using ARIA role=alert or Live Regions to Identify Errors
+
+
+ ARIA20: Using the region role to identify a region of the page
+
+
+ ARIA21: Using Aria-Invalid to Indicate An Error Field
+
+
+ ARIA22: Using role=status to present status messages
+
+
+Client-Side Script Techniques
+
+
+ §
+
+
+
+
+CSS Techniques
+
+
+ §
+
+
+
+
+Common Failures
+
+
+ §
+
+
+
+
+
+ F1: Failure of Success Criterion 1.3.2 due to changing the meaning of content by positioning
+ information with CSS
+
+
+
+ F2: Failure of Success Criterion 1.3.1 due to using changes in text presentation to convey
+ information without using the appropriate markup or text
+
+
+
+ F3: Failure of Success Criterion 1.1.1 due to using CSS to include images that convey
+ important information
+
+
+
+ F4: Failure of Success Criterion 2.2.2 due to using text-decoration:blink without a mechanism
+ to stop it in less than five seconds
+
+
+
+ F7: Failure of Success Criterion 2.2.2 due to an object or applet, such as Java or Flash,
+ for more than five seconds
+
+
+
+ F8: Failure of Success Criterion 1.2.2 due to captions omitting some dialogue or important
+ sound effects
+
+
+
+ F9: Failure of Success Criterion 3.2.5 due to changing the context when the user removes
+ focus from a form element
+
+
+
+ F10: Failure of Success Criterion 2.1.2 and Conformance Requirement 5 due to combining
+ multiple content formats in a way that traps users inside one format type
+
+
+
+ F12: Failure of Success Criterion 2.2.5 due to having a session time limit without a mechanism
+ re-authentication
+
+
+
+ F13: Failure of Success Criterion 1.1.1 and 1.4.1 due to having a text alternative that
+ does not include information that is conveyed by color differences in the image
+
+
+
+ F14: Failure of Success Criterion 1.3.3 due to identifying content only by its shape or
+ location
+
+
+
+ F15: Failure of Success Criterion 4.1.2 due to implementing custom controls that do not
+ use an accessibility API for the technology, or do so incompletely
+
+
+
+ F16: Failure of Success Criterion 2.2.2 due to including scrolling content where movement
+ is not essential to the activity without also including a mechanism to pause and restart
+ the content
+
+
+
+ F19: Failure of Conformance Requirement 1 due to not providing a method for the user to
+ find the alternative conforming version of a non-conforming Web page
+
+
+
+ F20: Failure of Success Criterion 1.1.1 and 4.1.2 due to not updating text alternatives
+ when changes to non-text content occur
+
+
+
+ F22: Failure of Success Criterion 3.2.5 due to opening windows that are not requested by
+ the user
+
+
+
+ F23: Failure of 1.4.2 due to playing a sound longer than 3 seconds where
+ there is no mechanism to turn it off
+
+
+
+ F24: Failure of Success Criterion 1.4.3, 1.4.6 and 1.4.8 due to specifying foreground colors
+ without specifying background colors or vice versa
+
+
+
+ F25: Failure of Success Criterion 2.4.2 due to the title of a Web page not identifying
+ the contents
+
+
+
+ F26: Failure of Success Criterion 1.3.3 due to using a graphical symbol alone to convey
+ information
+
+
+
+ F30: Failure of Success Criterion 1.1.1 and 1.2.1 due to using text alternatives that are
+ not alternatives (e.g., filenames or placeholder text)
+
+
+
+ F31: Failure of Success Criterion 3.2.4 due to using two different labels for the same
+ function on different Web pages within a set of Web pages
+
+
+
+ F32: Failure of Success Criterion 1.3.2 due to using white space characters to control
+ spacing within a word
+
+
+
+ F33: Failure of Success Criterion 1.3.1 and 1.3.2 due to using white space characters to
+ create multiple columns in plain text content
+
+
+
+ F34: Failure of Success Criterion 1.3.1 and 1.3.2 due to using white space characters to
+ format tables in plain text content
+
+
+
+ F36: Failure of Success Criterion 3.2.2 due to automatically submitting a form and given
+ a value
+
+
+
+ F37: Failure of Success Criterion 3.2.2 due to launching a new window without prior warning
+ when the selection of a radio button, check box or select list is changed
+
+
+
+ F38: Failure of Success Criterion 1.1.1 due to not marking up decorative images in HTML
+ in a way that allows assistive technology to ignore them
+
+
+
+ F39: Failure of Success Criterion 1.1.1 due to providing a text alternative that is not
+ null (e.g., alt="spacer" or alt="image") for images that should be ignored by assistive
+ technology
+
+
+
+ F40: Failure of Success Criterion 2.2.1 and 2.2.4 due to using meta redirect with a time
+ limit
+
+
+
+ F41: Failure of Success Criterion 2.2.1, 2.2.4, and 3.2.5 due to using meta refresh to
+ reload the page
+
+
+
+ F42: Failure of Success Criteria 1.3.1, 2.1.1, 2.1.3, or 4.1.2 when emulating links
+
+
+ F43: Failure of Success Criterion 1.3.1 due to using structural markup in a way that does
+ not represent relationships in the content
+
+
+
+ F44: Failure of Success Criterion 2.4.3 due to using tabindex to create a tab order that
+ does not preserve meaning and operability
+
+
+
+ F46: Failure of Success Criterion 1.3.1 due to using th elements, layout tables
+
+
+ F47: Failure of Success Criterion 2.2.2 due to using the blink element
+
+
+ F48: Failure of Success Criterion 1.3.1 due to using the pre element to markup tabular
+ information
+
+
+
+ F49: Failure of Success Criterion 1.3.2 due to using an HTML layout table that does not
+ make sense when linearized
+
+
+
+ F50: Failure of Success Criterion 2.2.2 due to a script that causes a blink effect without
+ a mechanism to stop the blinking at 5 seconds or less
+
+
+
+ F52: Failure of Success Criterion 3.2.1 and 3.2.5 due to opening a new window as soon as
+ a new page is loaded
+
+
+
+ F54: Failure of Success Criterion 2.1.1 due to using only pointing-device-specific event
+ handlers (including gesture) for a function
+
+
+
+ F55: Failure of Success Criteria 2.1.1, 2.4.7, and 3.2.1 due to using script to remove
+ focus when focus is received
+
+
+
+ F58: Failure of Success Criterion 2.2.1 due to using server-side techniques to automatically
+ redirect pages after a time-out
+
+
+
+ F59: Failure of Success Criterion 4.1.2 due to using script to make div or span a user
+ interface control in HTML without providing a role for the control
+
+
+
+ F60: Failure of Success Criterion 3.2.5 due to launching a new window when a user enters
+ text into an input field
+
+
+
+ F61: Failure of Success Criterion 3.2.5 due to complete change of main content through
+ an automatic update that the user cannot disable from within the content
+
+
+
+ F63: Failure of Success Criterion 2.4.4 due to providing link context only in content that
+ is not related to the link
+
+
+
+ F65: Failure of Success Criterion 1.1.1 due to omitting the alt attribute or text alternative
+ on img elements, area elements, and input elements of type "image"
+
+
+
+ F66: Failure of Success Criterion 3.2.3 due to presenting navigation links in a different
+ relative order on different pages
+
+
+
+ F67: Failure of Success Criterion 1.1.1 and 1.2.1 due to providing long descriptions for
+ non-text content that does not serve the same purpose or does not present the same
+ information
+
+
+
+ F68: Failure of Success Criterion 4.1.2 due to a user interface control not having a programmatically
+ determined name
+
+
+
+ F69: Failure of Success Criterion 1.4.4 when resizing visually rendered text up to 200
+ percent causes the text, image or controls to be clipped, truncated or obscured
+
+
+
+ F70: Failure of Success Criterion 4.1.1 due to incorrect use of start and end tags or attribute
+ markup
+
+
+
+ F71: Failure of Success Criterion 1.1.1 due to using text look-alikes to represent text
+ without providing a text alternative
+
+
+
+ F72: Failure of Success Criterion 1.1.1 due to using ASCII art without providing a text
+ alternative
+
+
+
+ F73: Failure of Success Criterion 1.4.1 due to creating links that are not visually evident
+ without color vision
+
+
+
+ F74: Failure of Success Criterion 1.2.2 and 1.2.8 due to not labeling a synchronized media
+ alternative to text as an alternative
+
+
+
+ F75: Failure of Success Criterion 1.2.2 by providing synchronized media without captions
+ when the synchronized media presents more information than is presented on the page
+
+
+
+ F77: Failure of Success Criterion 4.1.1 due to duplicate values of type ID
+
+
+ F78: Failure of Success Criterion 2.4.7 due to styling element outlines and borders in
+ a way that removes or renders non-visible the visual focus indicator
+
+
+
+ F79: Failure of Success Criterion 4.1.2 due to the focus state of a user interface component
+ not being programmatically determinable or no notification of change of focus state
+ available
+
+
+
+ F80: Failure of Success Criterion 1.4.4 when text-based form controls do not resize when
+ visually rendered text is resized up to 200%
+
+
+
+ F81: Failure of Success Criterion 1.4.1 due to identifying required or error fields using
+ color differences only
+
+
+
+ F82: Failure of Success Criterion 3.3.2 by visually formatting a set of phone number fields
+ but not including a text label
+
+
+
+ F83: Failure of Success Criterion 1.4.3 and 1.4.6 due to using background images that do
+ not provide sufficient contrast with foreground text (or images of text)
+
+
+
+ F84: Failure of Success Criterion 2.4.9 due to using a non-specific link such as "click
+ here" or "more" without a mechanism to change the link text to specific text.
+
+
+
+ F85: Failure of Success Criterion 2.4.3 due to using dialogs or menus that are not adjacent
+ to their trigger control in the sequential navigation order
+
+
+
+ F86: Failure of Success Criterion 4.1.2 due to not providing names for each part of a multi-part
+ form field, such as a US telephone number
+
+
+
+ F87: Failure of Success Criterion 1.3.1 due to inserting non-decorative content by using
+ :before and :after pseudo-elements and the 'content' property in CSS
+
+
+
+ F88: Failure of Success Criterion 1.4.8 due to using text that is justified (aligned to
+ both the left and the right margins)
+
+
+
+ F89: Failure of Success Criteria 2.4.4, 2.4.9 and 4.1.2 due to not providing an accessible
+ name for an image which is the only content in a link
+
+
+
+ F90: Failure of Success Criterion 1.3.1 for incorrectly associating table headers and content
+ via the headers and id attributes
+
+
+
+ F91: Failure of Success Criterion 1.3.1 for not correctly marking up table headers
+
+
+ F92: Failure of Success Criterion 1.3.1 due to the use of role presentation on content
+ which conveys semantic information
+
+
+
+ F93: Failure of Success Criterion 1.4.2 for absence of a way to pause or stop an HTML5
+ media element that autoplays
+
+
+
+ F94: Failure of Success Criterion 1.4.4 due to text sized in viewport units
+
+
+Flash Techniques
+
+
+ §
+
+
+
+
+General Techniques
+
+
+ §
+
+
+
+
+
+ G1: Adding a link at the top of each page that goes directly to the main content area
+
+
+ G4: Allowing the content to be paused and restarted from where it was paused
+
+
+ G5: Allowing users to complete an activity without any time limit
+
+
+ G8: Providing a movie with extended audio descriptions
+
+
+ G9: Creating captions for live synchronized media
+
+
+ G10: Creating components using a technology that supports the accessibility notification
+ of changes
+
+
+
+ G11: Creating content that blinks for less than 5 seconds
+
+
+ G13: Describing what will happen before a change to a form control that causes a change
+ of context to occur is made
+
+
+
+ G14: Ensuring that information conveyed by color differences is also available in text
+
+
+ G15: Using a tool to ensure that content does not violate the general flash threshold or
+ red flash threshold
+
+
+
+ G17: Ensuring that a contrast ratio of at least 7:1 exists between text (and images of
+ text) and background behind the text
+
+
+
+ G18: Ensuring that a contrast ratio of at least 4.5:1 exists between text (and images of
+ text) and background behind the text
+
+
+
+ G19: Ensuring that no component of the content flashes more than three times in any 1-second
+ period
+
+
+
+ G21: Ensuring that users are not trapped in content
+
+
+ G53: Identifying the purpose of a link using link text combined with the text of the enclosing
+ sentence
+
+
+
+ G54: Including a sign language interpreter in the video stream
+
+
+ G55: Linking to definitions
+
+
+ G56: Mixing audio files so that non-speech sounds are at least 20 decibels lower than the
+ speech audio content
+
+
+
+ G57: Ordering the content in a meaningful sequence
+
+
+ G58: Placing a link to the alternative for time-based media immediately next to the non-text
+ content
+
+
+
+ G59: Placing the interactive elements in an order that follows sequences and relationships
+ within the content
+
+
+
+ G60: Playing a sound that turns off automatically within three seconds
+
+
+ G61: Presenting repeated components in the same relative order each time they appear
+
+
+ G62: Providing a glossary
+
+
+ G63: Providing a site map
+
+
+ G64: Providing a Table of Contents
+
+
+ G65: Providing a breadcrumb trail
+
+
+ G68: Providing a short text alternative that describes the purpose of live audio-only and
+ live video-only content
+
+
+
+ G69: Providing an alternative for time based media
+
+
+ G70: Providing a function to search an online dictionary
+
+
+ G71: Providing a help link on every Web page
+
+
+ G73: Providing a long description in another location with a link to it that is immediately
+ adjacent to the non-text content
+
+
+
+ G74: Providing a long description in text near the non-text content, with a reference to
+ the location of the long description in the short description
+
+
+
+ G75: Providing a mechanism to postpone any updating of content
+
+
+ G76: Providing a mechanism to request an update of the content instead of updating automatically
+
+
+ G78: Providing a second, user-selectable, audio track that includes audio descriptions
+
+
+ G79: Providing a spoken version of the text
+
+
+ G80: Providing a submit button to initiate a change of context
+
+
+ G81: Providing a synchronized video of the sign language interpreter that can be displayed
+ in a different viewport or overlaid on the image by the player
+
+
+
+ G82: Providing a text alternative that identifies the purpose of the non-text content
+
+
+ G83: Providing text descriptions to identify required fields that were not completed
+
+
+ G84: Providing a text description when the user provides information that is not in the
+ list of allowed values
+
+
+
+ G85: Providing a text description when user input falls outside the required format or
+ values
+
+
+
+ G86: Providing a text summary that can be understood by people with lower secondary education
+ level reading ability
+
+
+
+ G87: Providing closed captions
+
+
+ G88: Providing descriptive titles for Web pages
+
+
+ G89: Providing expected data format and example
+
+
+ G90: Providing keyboard-triggered event handlers
+
+
+ G91: Providing link text that describes the purpose of a link
+
+
+ G92: Providing long description for non-text content that serves the same purpose and presents
+ the same information
+
+
+
+ G93: Providing open (always visible) captions
+
+
+ G94: Providing short text alternative for non-text content that serves the same purpose
+ and presents the same information as the non-text content
+
+
+
+ G95: Providing short text alternatives that provide a brief description of the non-text
+ content
+
+
+
+ G96: Providing textual identification of items that otherwise rely only on sensory information
+ to be understood
+
+
+
+ G97: Providing the first use of an abbreviation immediately before or after the expanded
+ form
+
+
+
+ G98: Providing the ability for the user to review and correct answers before submitting
+
+
+ G99: Providing the ability to recover deleted information
+
+
+ G100: Providing a short text alternative which is the accepted name or a descriptive name
+ of the non-text content
+
+
+
+ G101: Providing the definition of a word or phrase used in an unusual or restricted way
+
+
+ G102: Providing the expansion or explanation of an abbreviation
+
+
+ G103: Providing visual illustrations, pictures, and symbols to help explain ideas, events,
+ and processes
+
+
+
+ G105: Saving data so that it can be used after a user re-authenticates
+
+
+ G107: Using "activate" rather than "focus" as a trigger for changes of context
+
+
+ G108: Using markup features to expose the name and role, allow user-settable properties
+ to be directly set, and provide notification of changes
+
+
+
+ G110: Using an instant client-side redirect
+
+
+ G111: Using color and pattern
+
+
+ G112: Using inline definitions
+
+
+ G115: Using semantic elements to mark up structure
+
+
+ G117: Using text to convey information that is conveyed by variations in presentation of
+ text
+
+
+
+ G120: Providing the pronunciation immediately following the word
+
+
+ G121: Linking to pronunciations
+
+
+ G123: Adding a link at the beginning of a block of repeated content to go to the end of
+ the block
+
+
+
+ G124: Adding links at the top of the page to each area of the content
+
+
+ G125: Providing links to navigate to related Web pages
+
+
+ G126: Providing a list of links to all other Web pages
+
+
+ G127: Identifying a Web page's relationship to a larger collection of Web pages
+
+
+ G128: Indicating current location within navigation bars
+
+
+ G130: Providing descriptive headings
+
+
+ G131: Providing descriptive labels
+
+
+ G133: Providing a checkbox on the first page of a multipart form that allows users to ask
+ for longer session time limit or no session time limit
+
+
+
+ G134: Validating Web pages
+
+
+ G135: Using the accessibility API features of a technology to expose names and notification
+ of changes
+
+
+
+ G136: Providing a link at the beginning of a nonconforming Web page that points to a conforming
+ alternate version
+
+
+
+ G138: Using semantic markup whenever color cues are used
+
+
+ G139: Creating a mechanism that allows users to jump to errors
+
+
+ G140: Separating information and structure from presentation to enable different presentations
+
+
+ G141: Organizing a page using headings
+
+
+ G142: Using a technology that has commonly-available user agents that support zoom
+
+
+ G143: Providing a text alternative that describes the purpose of the CAPTCHA
+
+
+ G144: Ensuring that the Web Page contains another CAPTCHA serving the same purpose using
+ a different modality
+
+
+
+ G145: Ensuring that a contrast ratio of at least 3:1 exists between text (and images of
+ text) and background behind the text
+
+
+
+ G146: Using liquid layout
+
+
+ G148: Not specifying background color, not specifying text color, and not using technology
+ features that change those defaults
+
+
+
+ G149: Using user interface components that are highlighted by the user agent when they receive
+ focus
+
+
+
+ G150: Providing text based alternatives for live audio-only content
+
+
+ G151: Providing a link to a text transcript of a prepared statement or script if the script
+ is followed
+
+
+
+ G152: Setting animated gif images to stop blinking after n cycles (within 5 seconds)
+
+
+ G153: Making the text easier to read
+
+
+ G155: Providing a checkbox in addition to a submit button
+
+
+ G156: Using a technology that has commonly-available user agents that can change the foreground
+ and background of blocks of text
+
+
+
+ G157: Incorporating a live audio captioning service into a Web page
+
+
+ G158: Providing an alternative for time-based media for audio-only content
+
+
+ G159: Providing an alternative for time-based media for video-only content
+
+
+ G160: Providing sign language versions of information, ideas, and processes that must be
+ understood in order to use the content
+
+
+
+ G161: Providing a search function to help users find content
+
+
+ G162: Positioning labels to maximize predictability of relationships
+
+
+ G163: Using standard diacritical marks that can be turned off
+
+
+ G164: Providing a stated time within which an online request (or transaction) may be amended
+ or canceled by the user after making the request
+
+
+
+ G165: Using the default focus indicator for the platform so that high visibility default
+ focus indicators will carry over
+
+
+
+ G166: Providing audio that describes the important video content and describing it as such
+
+
+ G167: Using an adjacent button to label the purpose of a field
+
+
+ G168: Requesting confirmation to continue with selected action
+
+
+ G169: Aligning text on only one side
+
+
+ G170: Providing a control near the beginning of the Web page that turns off sounds that
+ play automatically
+
+
+
+ G171: Playing sounds only on user request
+
+
+ G172: Providing a mechanism to remove full justification of text
+
+
+ G173: Providing a version of a movie with audio descriptions
+
+
+ G174: Providing a control with a sufficient contrast ratio that allows users to switch to
+ a presentation that uses sufficient contrast
+
+
+
+ G175: Providing a multi color selection tool on the page for foreground and background colors
+
+
+ G176: Keeping the flashing area small enough
+
+
+ G177: Providing suggested correction text
+
+
+ G178: Providing controls on the Web page that allow users to incrementally change the size
+ of all text on the page up to 200 percent
+
+
+
+ G179: Ensuring that there is no loss of content or functionality when the text resizes and
+ text containers do not change their width
+
+
+
+ G180: Providing the user with a means to set the time limit to 10 times the default time
+ limit
+
+
+
+ G181: Encoding user data as hidden or encrypted data in a re-authorization page
+
+
+ G182: Ensuring that additional visual cues are available when text color differences are
+ used to convey information
+
+
+
+ G183: Using a contrast ratio of 3:1 with surrounding text and providing additional visual
+ cues on focus for links or controls where color alone is used to identify them
+
+
+
+ G184: Providing text instructions at the beginning of a form or set of fields that describes
+ the necessary input
+
+
+
+ G185: Linking to all of the pages on the site from the home page
+
+
+ G186: Using a control in the Web page that stops moving, blinking, or auto-updating content
+
+
+ G187: Using a technology to include blinking content that can be turned off via the user
+ agent
+
+
+
+ G188: Providing a button on the page to increase line spaces and paragraph spaces
+
+
+ G189: Providing a control near the beginning of the Web page that changes the link text
+
+
+ G190: Providing a link adjacent to or associated with a non-conforming object that links
+ to a conforming alternate version
+
+
+
+ G191: Providing a link, button, or other mechanism that reloads the page without any blinking
+ content
+
+
+
+ G192: Fully conforming to specifications
+
+
+ G193: Providing help by an assistant in the Web page
+
+
+ G194: Providing spell checking and suggestions for text input
+
+
+ G195: Using an author-supplied, highly visible focus indicator
+
+
+ G196: Using a text alternative on one item within a group of images that describes all items
+ in the group
+
+
+
+ G197: Using labels, names, and text alternatives consistently for content that has the same
+ functionality
+
+
+
+ G198: Providing a way for the user to turn the time limit off
+
+
+ G199: Providing success feedback when data is submitted successfully
+
+
+ G200: Opening new windows and tabs from a link only when necessary
+
+
+ G201: Giving users advanced warning when opening a new window
+
+
+ G202: Ensuring keyboard control for all functionality
+
+
+ G203: Using a static text alternative to describe a talking head video
+
+
+ G204: Not interfering with the user agent's reflow of text as the viewing window is narrowed
+
+
+ G205: Including a text cue for colored form control labels
+
+
+ G206: Providing options within the content to switch to a layout that does not require the
+ user to scroll horizontally to read a line of text
+
+
+
+HTML Techniques
+
+
+ §
+
+
+
+
+PDF Techniques
+
+
+ §
+
+
+
+
+Server-Side Script Techniques
+
+
+ §
+
+
+
+
+Silverlight Techniques
+
+
+ §
+
+
+
+
+SMIL Techniques
+
+
+ §
+
+
+
+
+Plain-Text Techniques
+
+
+ §
+
+
+
+
\ No newline at end of file
diff --git a/understanding/toc.html b/understanding/toc.html
index b4e62d5b80..aa46eaf84b 100644
--- a/understanding/toc.html
+++ b/understanding/toc.html
@@ -1,144 +1,532 @@
Understanding Pages
- Introduction to Understanding WCAG 2.1 Understanding Techniques for WCAG Success Criteria
+
+ Introduction to Understanding WCAG 2.1
+
+
+
+
+ Understanding Techniques for WCAG Success Criteria
+
+
Perceivable
- 1.1 Text Alternatives
- 1.1.1 Non-text Content
+
+ 1.1 Text Alternatives
+
+
+
+
+ 1.1.1 Non-text Content
+
+
- 1.2 Time-based Media
- 1.2.1 Audio-only and Video-only (Prerecorded)1.2.2 Captions (Prerecorded)1.2.3 Audio Description or Media Alternative (Prerecorded)1.2.4 Captions (Live)1.2.5 Audio Description (Prerecorded)1.2.6 Sign Language (Prerecorded)1.2.7 Extended Audio Description (Prerecorded)1.2.8 Media Alternative (Prerecorded)1.2.9 Audio-only (Live)
+
+ 1.2 Time-based Media
+
+
+
+
+ 1.2.1 Audio-only and Video-only (Prerecorded)
+
+
+
+
+ 1.2.2 Captions (Prerecorded)
+
+
+
+
+ 1.2.3 Audio Description or Media Alternative (Prerecorded)
+
+
+
+
+ 1.2.4 Captions (Live)
+
+
+
+
+ 1.2.5 Audio Description (Prerecorded)
+
+
+
+
+ 1.2.6 Sign Language (Prerecorded)
+
+
+
+
+ 1.2.7 Extended Audio Description (Prerecorded)
+
+
+
+
+ 1.2.8 Media Alternative (Prerecorded)
+
+
+
+
+ 1.2.9 Audio-only (Live)
+
+
- 1.3 Adaptable
- 1.3.1 Info and Relationships1.3.2 Meaningful Sequence1.3.3 Sensory Characteristics1.3.4 Orientation1.3.5 Identify Input Purpose1.3.6 Identify Purpose
+
+ 1.3 Adaptable
+
+
+
+
+ 1.3.1 Info and Relationships
+
+
+
+
+ 1.3.2 Meaningful Sequence
+
+
+
+
+ 1.3.3 Sensory Characteristics
+
+
+
+
+ 1.3.4 Orientation
+
+
+
+
+ 1.3.5 Identify Input Purpose
+
+
+
+
+ 1.3.6 Identify Purpose
+
+
- 1.4 Distinguishable
- 1.4.1 Use of Color1.4.2 Audio Control1.4.3 Contrast (Minimum)1.4.4 Resize text1.4.5 Images of Text1.4.6 Contrast (Enhanced)1.4.7 Low or No Background Audio1.4.8 Visual Presentation1.4.9 Images of Text (No Exception)1.4.10 Reflow1.4.11 Non-text Contrast1.4.12 Text Spacing1.4.13 Content on Hover or Focus
+
+ 1.4 Distinguishable
+
+
+
+
+ 1.4.1 Use of Color
+
+
+
+
+ 1.4.2 Audio Control
+
+
+
+
+ 1.4.3 Contrast (Minimum)
+
+
+
+
+ 1.4.4 Resize text
+
+
+
+
+ 1.4.5 Images of Text
+
+
+
+
+ 1.4.6 Contrast (Enhanced)
+
+
+
+
+ 1.4.7 Low or No Background Audio
+
+
+
+
+ 1.4.8 Visual Presentation
+
+
+
+
+ 1.4.9 Images of Text (No Exception)
+
+
+
+
+ 1.4.10 Reflow
+
+
+
+
+ 1.4.11 Non-text Contrast
+
+
+
+
+ 1.4.12 Text Spacing
+
+
+
+
+ 1.4.13 Content on Hover or Focus
+
+
Operable
- 2.1 Keyboard Accessible
- 2.1.1 Keyboard2.1.2 No Keyboard Trap2.1.3 Keyboard (No Exception)2.1.4 Character Key Shortcuts
+
+ 2.1 Keyboard Accessible
+
+
+
+
+ 2.1.1 Keyboard
+
+
+
+
+ 2.1.2 No Keyboard Trap
+
+
+
+
+ 2.1.3 Keyboard (No Exception)
+
+
+
+
+ 2.1.4 Character Key Shortcuts
+
+
- 2.2 Enough Time
- 2.2.1 Timing Adjustable2.2.2 Pause, Stop, Hide2.2.3 No Timing2.2.4 Interruptions2.2.5 Re-authenticating2.2.6 Timeouts
+
+ 2.2 Enough Time
+
+
+
+
+ 2.2.1 Timing Adjustable
+
+
+
+
+ 2.2.2 Pause, Stop, Hide
+
+
+
+
+ 2.2.3 No Timing
+
+
+
+
+ 2.2.4 Interruptions
+
+
+
+
+ 2.2.5 Re-authenticating
+
+
+
+
+ 2.2.6 Timeouts
+
+
- 2.3 Seizures and Physical Reactions
- 2.3.1 Three Flashes or Below Threshold2.3.2 Three Flashes2.3.3 Animation from Interactions
+
+ 2.3 Seizures and Physical Reactions
+
+
+
+
+ 2.3.1 Three Flashes or Below Threshold
+
+
+
+
+ 2.3.2 Three Flashes
+
+
+
+
+ 2.3.3 Animation from Interactions
+
+
- 2.4 Navigable
- 2.4.1 Bypass Blocks2.4.2 Page Titled2.4.3 Focus Order2.4.4 Link Purpose (In Context)2.4.5 Multiple Ways2.4.6 Headings and Labels2.4.7 Focus Visible2.4.8 Location2.4.9 Link Purpose (Link Only)2.4.10 Section Headings
+
+ 2.4 Navigable
+
+
+
+
+ 2.4.1 Bypass Blocks
+
+
+
+
+ 2.4.2 Page Titled
+
+
+
+
+ 2.4.3 Focus Order
+
+
+
+
+ 2.4.4 Link Purpose (In Context)
+
+
+
+
+ 2.4.5 Multiple Ways
+
+
+
+
+ 2.4.6 Headings and Labels
+
+
+
+
+ 2.4.7 Focus Visible
+
+
+
+
+ 2.4.8 Location
+
+
+
+
+ 2.4.9 Link Purpose (Link Only)
+
+
+
+
+ 2.4.10 Section Headings
+
+
- 2.5 Input Modalities
- 2.5.1 Pointer Gestures2.5.2 Pointer Cancellation2.5.3 Label in Name2.5.4 Motion Actuation2.5.5 Target Size2.5.6 Concurrent Input Mechanisms
+
+ 2.5 Input Modalities
+
+
+
+
+ 2.5.1 Pointer Gestures
+
+
+
+
+ 2.5.2 Pointer Cancellation
+
+
+
+
+ 2.5.3 Label in Name
+
+
+
+
+ 2.5.4 Motion Actuation
+
+
+
+
+ 2.5.5 Target Size
+
+
+
+
+ 2.5.6 Concurrent Input Mechanisms
+
+
Understandable
- 3.1 Readable
- 3.1.1 Language of Page3.1.2 Language of Parts3.1.3 Unusual Words3.1.4 Abbreviations3.1.5 Reading Level3.1.6 Pronunciation
+
+ 3.1 Readable
+
+
+
+
+ 3.1.1 Language of Page
+
+
+
+
+ 3.1.2 Language of Parts
+
+
+
+
+ 3.1.3 Unusual Words
+
+
+
+
+ 3.1.4 Abbreviations
+
+
+
+
+ 3.1.5 Reading Level
+
+
+
+
+ 3.1.6 Pronunciation
+
+
- 3.2 Predictable
- 3.2.1 On Focus3.2.2 On Input3.2.3 Consistent Navigation3.2.4 Consistent Identification3.2.5 Change on Request
+
+ 3.2 Predictable
+
+
+
+
+ 3.2.1 On Focus
+
+
+
+
+ 3.2.2 On Input
+
+
+
+
+ 3.2.3 Consistent Navigation
+
+
+
+
+ 3.2.4 Consistent Identification
+
+
+
+
+ 3.2.5 Change on Request
+
+
- 3.3 Input Assistance
- 3.3.1 Error Identification3.3.2 Labels or Instructions3.3.3 Error Suggestion3.3.4 Error Prevention (Legal, Financial, Data)3.3.5 Help3.3.6 Error Prevention (All)
+
+ 3.3 Input Assistance
+
+
+
+
+ 3.3.1 Error Identification
+
+
+
+
+ 3.3.2 Labels or Instructions
+
+
+
+
+ 3.3.3 Error Suggestion
+
+
+
+
+ 3.3.4 Error Prevention (Legal, Financial, Data)
+
+
+
+
+ 3.3.5 Help
+
+
+
+
+ 3.3.6 Error Prevention (All)
+
+
Robust
- 4.1 Compatible
- 4.1.1 Parsing4.1.2 Name, Role, Value4.1.3 Status Messages
+
+ 4.1 Compatible
+
+
+
+
+ 4.1.1 Parsing
+
+
+
+
+ 4.1.2 Name, Role, Value
+
+
+
+
+ 4.1.3 Status Messages
+
+
Understanding Conformance How to Refer to WCAG 2.1 from Other Documents Documenting Accessibility Support for Uses of a Web Technology Understanding Metadata
+
+ Understanding Conformance
+
+
+
+
+ How to Refer to WCAG 2.1 from Other Documents
+
+
+
+
+ Documenting Accessibility Support for Uses of a Web Technology
+
+
+
+
+ Understanding Metadata
+
+
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