Informative image missing alt
Text alternative on a meaningful <img>
Open deliberate failureImportant: These examples are deliberately inaccessible and are provided for accessibility testing and education. Some scenarios require guided or manual evaluation and cannot be reliably determined by automated scanners alone.
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Informative image has empty alt
Text alternative on a meaningful <img>
Open deliberate failureFilename used as alt
Alt text that repeats the file name carries no information
Open deliberate failureImage button missing accessible name
Accessible name on <input type="image">
Open deliberate failureCSS background image conveys essential information
Essential information carried only by a CSS background image
Open deliberate failureSVG has no accessible name
Accessible name on an informative inline <svg>
Open deliberate failureCanvas chart has no text alternative
Text alternative for a <canvas> rendering
Open deliberate failureIcon-only link has no name
Accessible name on an icon-only link
Open deliberate failureASCII art lacks text alternative
Text alternative for ASCII art
Open deliberate failureCAPTCHA lacks equivalent alternative
A CAPTCHA needs an alternative in another modality
Open deliberate failureImage map area lacks alt
Accessible name on an image-map <area>
Open deliberate failureObject element lacks text alternative
Fallback content for <object>
Open deliberate failureEmbedded image in iframe has no equivalent
Accessible name on an <iframe>
Open deliberate failureDecorative image has misleading alt
A decorative image must be hidden, not described
Open deliberate failureComplex chart has inadequate short alternative
A complex graphic needs more than a short alternative
Open deliberate failureLogo alt omits organization identity
A logo image must name the organisation it identifies
Open deliberate failureLinked image alt describes appearance not destination
Alt text on a linked image must convey destination, not appearance
Open deliberate failureInput type=image has empty alt
Accessible name on <input type="image">
Open deliberate failureEmoji used as sole control label without accessible name
An emoji used as the only label of a control
Open deliberate failureGenerated pseudo-element icon conveys state without text
State conveyed only by a CSS pseudo-element
Open deliberate failureA responsive picture with no alt on its img
A responsive picture whose img carries no alt
Open deliberate failureA CSS-drawn graphic declared role="img" with no name
A CSS-drawn graphic declared role="img" with no name
Open deliberate failureA figure whose caption is not attached to it
A figure whose caption is not attached to it
Open deliberate failureAn image repeating the text beside it
An image repeating the text beside it
Open deliberate failureAn svg title nested where it does not name the graphic
An svg title element placed where it does not name the graphic
Open deliberate failureAn embed element with no accessible name
An embed element with no accessible name
Open deliberate failureAn alt attribute holding only a space
An alt attribute containing only whitespace
Open deliberate failureA video poster carrying the only instruction
A video poster image carrying the only statement of an instruction
Open deliberate failureAlt text pointing at a table that is not there
Alt text pointing at a data table that is not on the page
Open deliberate failureAn alternative that drops what the colours carried
A text alternative that omits the distinction the image made by colour
Open deliberate failureAn alternative left behind when the image is swapped
A control that swaps the image and leaves its alt behind
Open deliberate failureUnicode look-alike characters used as words
Styled Unicode look-alike characters used as words
Open deliberate failureA decorative image put back into the tree by a second name
A decorative image restored to the tree, unnamed, by a competing attribute
Open deliberate failurePrerecorded audio has no transcript
A text transcript accompanying media
Open deliberate failureSilent video labelled only "Video"
A label that announces media without providing the alternative
Open deliberate failureTranscript link resolves to nothing
A transcript link that resolves to nothing
Open deliberate failurePrerecorded video-only has no transcript
A text transcript accompanying media
Open deliberate failureThe transcript is a picture of text
A transcript supplied as a picture of text
Open deliberate failureMedia embedded in a frame with no alternative in the page
Media embedded through a frame, with no alternative outside it
Open deliberate failureThe transcript is only available as a file
A transcript offered only as a file to download
Open deliberate failureA transcript that attributes nothing
A multi-speaker transcript that attributes nothing
Open deliberate failureA transcript that stops partway
A transcript that stops partway through the recording
Open deliberate failureAn alternative that skips the text in the picture
A video-only alternative that omits the text shown in the picture
Open deliberate failureSynchronised media has no captions track
<track kind="captions"> on synchronised media
Open deliberate failureCaptions track is declared but empty
A captions track that is declared but carries no cues
Open deliberate failureSubtitles supplied where captions are required
Subtitles supplied where captions are required
Open deliberate failureThe captions track is in a different language from the audio
A captions track declaring a language the audio is not in
Open deliberate failureA captions track present but never enabled
A captions track present but never enabled
Open deliberate failureCaptions rendered into the video picture
Captions rendered into the picture instead of as text
Open deliberate failureCaptions carrying dialogue only
Caption cues carrying dialogue but no non-speech sound
Open deliberate failureCues positioned over the text they must not hide
Captions positioned over the burned-in text they need to leave visible
Open deliberate failureSubtitles offered as a download
Caption text offered as a download instead of a track
Open deliberate failureUncaptioned media relying on an undeclared exception
Uncaptioned media relying on an exception it never declares
Open deliberate failureNeither audio description nor media alternative
<track kind="descriptions"> for visual content not conveyed by the audio
Open deliberate failureAn audio description track that carries no cues
An audio description track declared but carrying no cues
Open deliberate failureCaptions supplied where description is needed
Captions supplied for a video whose critical information is visual
Open deliberate failureA descriptions track carrying the caption text
A descriptions track carrying the caption text
Open deliberate failureAn alternative that summarises rather than replaces
A media alternative that summarises instead of presenting equivalent information
Open deliberate failureLive stream has no captions
Captions on a live stream
Open deliberate failureLive captions exist but are not part of the player
Live captions delivered by a separate widget with no relationship to the stream
Open deliberate failureAutomatic live captions published without correction
Automatic live captions published without correction
Open deliberate failureCaptions promised for the recording, not the broadcast
Captions promised for the recording, not for the broadcast
Open deliberate failureTranscript provided but no audio description
A transcript is provided but the visual track still has no audio description
Open deliberate failureA described version exists but is not linked
Audio description supplied as a second, unlinked recording
Open deliberate failureA description track that leaves the silent gaps empty
A description track that leaves the silent gaps undescribed
Open deliberate failureVisual heading is a div
A visual heading with no heading semantics
Open deliberate failureBold text used as heading without heading markup
Bold body text standing in for a heading
Open deliberate failureList visually formatted with line breaks
A visual list built from line breaks
Open deliberate failureTable headers use td instead of th
Data table whose header row uses td
Open deliberate failureForm input lacks programmatic label
A field whose visible label is not associated with it
Open deliberate failureRequired state conveyed visually only
Required state shown only in colour and a glyph
Open deliberate failureField grouping lacks fieldset/legend
Related radios with no group name
Open deliberate failureTable caption is only visual text
A table title that is not a caption
Open deliberate failureDefinition list relationships not marked up
Term/definition pairs not marked as a definition list
Open deliberate failureLandmark region has no programmatic structure
A visually distinct region with no landmark role
Open deliberate failureARIA relationship points to missing ID
An ARIA relationship pointing at an id that does not exist
Open deliberate failureGrid headers are not associated
A two-dimensional table whose cells do not reference their headers
Open deliberate failureFootnote relationship is visual only
A footnote reference connected only by a printed symbol
Open deliberate failureReading group relies on indentation only
Reading groups implied only by indentation
Open deliberate failureForm instructions not associated with field
Format instructions sitting beside a field but not linked to it
Open deliberate failureHeading role removed with role=presentation
Heading semantics stripped with role="presentation"
Open deliberate failureList semantics removed with role=presentation
List semantics stripped with role="presentation"
Open deliberate failureTable header scope is incorrect
Table headers declaring the wrong scope
Open deliberate failureNested list hierarchy flattened in DOM
A visually nested list that is flat in the DOM
Open deliberate failureVisual label differs from programmatic relationship
A visible label that differs from the programmatic name
Open deliberate failureSpanned cells leave data cells with no header
Spanned cells leaving data cells with no resolvable header
Open deliberate failureA data table declared role="presentation"
A data table whose semantics are removed with role="presentation"
Open deliberate failureA layout table declaring header relationships
A layout table asserting header relationships it does not have
Open deliberate failureA sequence whose order matters marked as unordered
A sequence whose order matters marked as an unordered list
Open deliberate failureEmphasis conveyed by font weight alone
Emphasis conveyed by styling with no semantic element
Open deliberate failurearia-level on an element that is not a heading
aria-level used on an element that is not a heading
Open deliberate failureA postal address structured only by line breaks
A postal address structured only by line breaks
Open deliberate failureA quotation indicated only by punctuation
A quotation presented with punctuation only
Open deliberate failureA single choice split across two fieldsets
One question split across two groups, so neither states the whole choice
Open deliberate failureThe only naming text attached as a description
The only naming text attached as a description
Open deliberate failureHeading structure buried inside a control
Heading structure buried inside a control
Open deliberate failureTable structure explained with the obsolete summary attribute
Table structure explained with the obsolete summary attribute
Open deliberate failureA numbered list generated entirely by CSS counters
A numbered list produced entirely by CSS counters
Open deliberate failureA multi-level table with no scope and no headers
Headers in a multi-level table with no scope or headers attribute
Open deliberate failureA fieldset grouping controls with no legend
A fieldset grouping controls with no legend to name it
Open deliberate failureA definition list holding controls
A definition list used for content that is not term and definition
Open deliberate failureA heading level jumped in the outline
A heading level skipped, breaking the outline
Open deliberate failureA header cell that names nothing
A header cell in a data table that names nothing
Open deliberate failureTwo navigation landmarks with no names
Several navigation landmarks with no names to tell them apart
Open deliberate failureSelect groups drawn as disabled options
Select groups drawn with disabled options instead of optgroup
Open deliberate failureColumns aligned inside a pre block
Columns aligned inside a pre block with no table semantics
Open deliberate failureAccordion triggers that are not headings
Accordion triggers that are buttons but not headings
Open deliberate failureA tree whose level exists only in padding
A tree whose level is shown by padding and declared nowhere
Open deliberate failureA headers reference resolving outside its table
A headers attribute resolving to a cell in a different table
Open deliberate failureA sorted column marked only by an arrow
A sorted column marked only by an arrow glyph
Open deliberate failureParagraph boundaries drawn with double breaks
Paragraph boundaries drawn with double line breaks
Open deliberate failureA detail row with no link to its summary row
A detail row with no relationship to the row that reveals it
Open deliberate failureA heading placed after its section
A heading placed after the section it names
Open deliberate failureA tab panel related to its tab by position only
A tab panel related to its tab only by position
Open deliberate failureMatrix controls relying on table headers for their names
Matrix radio buttons relying on table headers for their names
Open deliberate failureA header cell that heads nothing
A header cell that heads nothing
Open deliberate failureCSS reverses the reading order of a step list
CSS reorders content so reading order no longer matches visual order
Open deliberate failureAbsolute positioning displaces reading order
Absolute positioning places a later element visually first
Open deliberate failureThe CSS order property moves content away from DOM order
The CSS order property moving items away from DOM order
Open deliberate failureExplicit grid placement moves content away from DOM order
Explicit grid placement moving items away from DOM order
Open deliberate failureA float pulls later content above earlier content
A float pulling later content above earlier content
Open deliberate failureA right-to-left direction on left-to-right text
A right-to-left direction applied to left-to-right content
Open deliberate failureA warning word injected by CSS
Meaning-bearing text injected by CSS before the real content
Open deliberate failureA layout table whose columns are the pairs
A layout table whose visual columns are read as rows
Open deliberate failureHidden slides still read in sequence
Hidden carousel slides that are still read in sequence
Open deliberate failureLetter spacing typed as spaces between letters
Letter spacing produced by typing spaces between letters
Open deliberate failureInstruction identifies a control by shape and position
An instruction identified only by shape and position
Open deliberate failureInstruction identifies fields by colour
An instruction identified only by colour
Open deliberate failureAn instruction identifying a control by its size
An instruction identifying a control only by its size
Open deliberate failureAn instruction that depends on hearing a sound
An instruction that depends on hearing a sound
Open deliberate failureA glyph standing for a status with no text
A glyph standing for a status with no text equivalent
Open deliberate failureContent is locked to a single orientation
Content locked to one display orientation
Open deliberate failureContent replaced by a request to rotate the device
Content replaced by a request to rotate the device
Open deliberate failureField with a known purpose has no autocomplete token
A field collecting known user information with no autocomplete token
Open deliberate failureAutocomplete token does not match the field purpose
An autocomplete token that does not match the field purpose
Open deliberate failureautocomplete="off" on a field collecting the user's own data
autocomplete="off" on a field collecting the user's own information
Open deliberate failureThe purpose token placed on a wrapper instead of the field
The purpose token placed on a container instead of the control
Open deliberate failureOne address split across two sections
A section token splitting fields that belong to one section
Open deliberate failureA token on a control that cannot carry it
A valid token on a control type that cannot carry it
Open deliberate failureA whole-name token on a part-of-name field
A whole-name token on a field holding one part of the name
Open deliberate failureTwo fields claiming one purpose
Two fields in one section claiming the same purpose
Open deliberate failureInvoice status conveyed by colour alone
Status conveyed by colour alone
Open deliberate failureIn-text link distinguished by colour alone
An in-text link distinguished from body text by colour alone
Open deliberate failureRequired fields shown by label colour
Required fields distinguished from optional ones by label colour
Open deliberate failureChart series identified by a colour key
Chart series identified only by a colour key
Open deliberate failureThe current page shown by colour alone
The current page in a menu shown only by a colour change
Open deliberate failureA colour-distinguished link with no additional cue
A colour-distinguished link with no cue on hover or focus
Open deliberate failureA field in error shown only by border colour
A field in error shown only by the colour of its border
Open deliberate failureAudio autoplays for longer than three seconds with no control
Audio that starts automatically with no way to stop it
Open deliberate failureNormal text contrast below 4.5:1
Contrast of text against its background
Open deliberate failureNormal text at the 4.5:1 boundary
Contrast of text against its background
Open deliberate failureLarge text contrast below 3:1
Contrast of text against its background
Open deliberate failureLarge text at the 3:1 boundary
Contrast of text against its background
Open deliberate failurePlaceholder text below minimum contrast
Contrast of text against its background
Open deliberate failureLink text below contrast requirement
Contrast of text against its background
Open deliberate failureButton text below contrast requirement
Contrast of text against its background
Open deliberate failureInput text below contrast requirement
Contrast of text against its background
Open deliberate failureText over gradient has a low-contrast region
Contrast of text against its background
Open deliberate failureText over image has a low-contrast region
Contrast of text against its background
Open deliberate failureVisited link text has insufficient contrast
Contrast of text against its background
Open deliberate failureOperable control styled as disabled has low text contrast
Contrast of text against its background
Open deliberate failureSmall footer text has insufficient contrast
Contrast of text against its background
Open deliberate failureError message text has insufficient contrast
Contrast of text against its background
Open deliberate failureSelected tab text has insufficient contrast
Contrast of text against its background
Open deliberate failureTooltip text has insufficient contrast
Contrast of text against its background
Open deliberate failureText in a modal has insufficient contrast
Contrast of text against its background
Open deliberate failureText in a toast has insufficient contrast
Contrast of text against its background
Open deliberate failureText inside SVG has insufficient contrast
Contrast of text against its background
Open deliberate failureA theme state creates insufficient contrast
Contrast of text against its background
Open deliberate failureText whose effective background is a translucent layer
Text whose effective background is a translucent layer
Open deliberate failureText relying on a shadow rather than its own contrast
Text relying on a shadow rather than its own contrast
Open deliberate failureAn operable select greyed to look disabled
An operable select greyed to look disabled
Open deliberate failureA hint colour that fails while the value colour passes
A hint colour that fails while the value colour passes
Open deliberate failureThe selected row of an open listbox
The selected row of an open listbox
Open deliberate failureA count badge on an accent fill
A count badge on an accent fill
Open deliberate failureBody text on an alternate row fill
Body text on an alternate-row fill added after the colour was chosen
Open deliberate failureText whose composited colour fails and declared colour passes
Text whose declared colour passes and whose composited colour does not
Open deliberate failureAn author-set selection highlight below the minimum
An author-set selection highlight the selected text fails against
Open deliberate failureBold text under 18.66 pixels held to the large-text ratio
Bold text under 18.66 pixels held to the large-text ratio
Open deliberate failureA text colour with no background specified
Author text colour over an unspecified background
Open deliberate failureText is clipped by a fixed-height container
A fixed-height container that clips its text when enlarged
Open deliberate failureZoom disabled by the viewport declaration
Page zoom disabled by the viewport declaration
Open deliberate failureText sized in viewport units ignores the text-size setting
Text sized in viewport units, which ignore the user text size
Open deliberate failureA table cell with a fixed height clips its text
A table cell with a fixed height that clips its text
Open deliberate failureA button sized to its current label clips a longer one
A button sized to its current label, clipping a longer one
Open deliberate failureText in an SVG with no viewBox
Text inside an SVG with fixed pixel dimensions
Open deliberate failureA pixel font size pinned with !important
A pixel font size pinned with !important
Open deliberate failureText painted into a canvas bitmap
Text painted into a canvas bitmap
Open deliberate failureA field pinned to a size the page text does not share
A field pinned to an absolute font size the page text does not share
Open deliberate failureA heading is rendered as an image of text
Text presented as an image where real text would do
Open deliberate failureMenu items rendered as word-images
Menu items rendered as word-images
Open deliberate failureA submit button labelled with an image
A submit button whose label is an image of text
Open deliberate failureAn image of text that the theme control does not reach
A theme control that the image text does not follow
Open deliberate failureA logotype carrying a sentence
A logotype carrying a sentence beyond the brand name
Open deliberate failureFixed-width panel prevents reflow at 320px
A fixed-width block that forces horizontal scrolling in a narrow viewport
Open deliberate failureA wide table with no wrapper scrolls the whole page
A wide table with no wrapper, scrolling the whole page
Open deliberate failureA min-width floor holds content wider than the viewport
A min-width floor holding content wider than the viewport
Open deliberate failurePositioned content overlaps when space shrinks
Absolutely positioned content that overlaps when space shrinks
Open deliberate failureA fixed-width sidebar leaves no room for the content
A fixed-width sidebar leaving too little room for the content
Open deliberate failureA pre block with no wrapping
A pre block with long lines and no wrapping
Open deliberate failureA frame with a pixel width
An embedded frame with a fixed width wider than the viewport
Open deliberate failureA narrow layout that fits by deleting columns
A narrow layout that fits by deleting columns
Open deliberate failureA narrow layout that fits by removing a control
A narrow layout that fits by removing a control
Open deliberate failureVertically written content past the 256 pixel allowance
Vertically written content taller than the 256 pixel allowance
Open deliberate failureInput border below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureButton boundary below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureFocus indicator below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureCheckbox visual state below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureRadio visual state below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureSelected tab indicator below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureChart data series lacks adjacent contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureIcon required to understand a control is below 3:1
Contrast of a meaningful component boundary or indicator
Open deliberate failureSlider track lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureToggle state indicator lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureError outline lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureRequired graphical symbol lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureMenu selection indicator lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureTree expand icon lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureProgress indicator lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureCustom scrollbar thumb lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureDrag handle lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failurePagination current-page indicator lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureDisclosure chevron lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureStatus icon lacks contrast
Contrast of a meaningful component boundary or indicator
Open deliberate failureAxis lines needed to read a chart
Axis lines a reader needs in order to read a chart
Open deliberate failureA field whose only boundary is an underline
A field whose only boundary is an underline
Open deliberate failureThe arrow showing which column a table is sorted by
The arrow showing which column a table is sorted by
Open deliberate failureA field bounded only by a faint shadow
A control bounded only by a low-contrast shadow
Open deliberate failureA control outlined over photographic pixels
A control outlined against photographic pixels rather than a solid
Open deliberate failureA native control painted from a low-contrast accent
A native control painted from an accent colour under 3:1
Open deliberate failureA required graphic declared decorative
A graphic declared decorative that the content depends on
Open deliberate failureA bitmap graphic whose marks fail against their ground
A bitmap graphic whose informative marks fail against their ground
Open deliberate failureA glyph used as an icon, held to the text threshold
A glyph used as an icon, measured against the wrong threshold
Open deliberate failureA brand exemption claimed for a colour the author chose
A brand exemption claimed for a colour the author chose
Open deliberate failureTouching chart segments that do not contrast with each other
Touching chart segments that contrast with the page but not with each other
Open deliberate failureContent clips when text-spacing overrides are applied
Content that clips when user text-spacing overrides are applied
Open deliberate failureLetter spacing pinned with !important
Letter spacing pinned with !important
Open deliberate failureA container clips when word spacing is increased
A container that clips when word spacing is increased
Open deliberate failureParagraph spacing forced to zero and locked
Paragraph spacing forced to zero and locked
Open deliberate failureAdjusted spacing pushing text over its neighbour
Adjusted spacing pushing text over the content beneath it
Open deliberate failureHover content cannot be dismissed
Hover content with no way to dismiss it without moving the pointer
Open deliberate failureHover content disappears when the pointer moves onto it
Hover content that disappears when the pointer moves onto it
Open deliberate failureHover content that disappears on a timer
Hover content that disappears on a timer while still needed
Open deliberate failureAdditional content bound to hover alone
Additional content bound to hover with no focus counterpart
Open deliberate failureFocus-triggered content that no key removes
Content shown on focus that no key removes
Open deliberate failureClickable div cannot receive keyboard focus
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCustom button ignores Enter and Space
A control that can be operated with a pointer but not a keyboard
Open deliberate failureHover menu cannot be opened by keyboard
A control that can be operated with a pointer but not a keyboard
Open deliberate failureDrag-only control has no keyboard operation
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCanvas control has mouse-only interaction
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCustom checkbox is mouse-only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCustom radio group is mouse-only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureSlider cannot be operated by keyboard
A control that can be operated with a pointer but not a keyboard
Open deliberate failureClickable image lacks keyboard handler
A control that can be operated with a pointer but not a keyboard
Open deliberate failureContext menu requires right-click only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCarousel arrows are mouse-only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureDate picker cells cannot be keyboard operated
A control that can be operated with a pointer but not a keyboard
Open deliberate failureTooltip trigger is hover-only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureMap zoom controls are pointer-only
A control that can be operated with a pointer but not a keyboard
Open deliberate failureFile drop zone has no keyboard alternative
A control that can be operated with a pointer but not a keyboard
Open deliberate failureCustom select cannot be operated with keys
A control that can be operated with a pointer but not a keyboard
Open deliberate failureTree widget cannot be navigated by keyboard
A control that can be operated with a pointer but not a keyboard
Open deliberate failureSortable table requires mouse drag
A control that can be operated with a pointer but not a keyboard
Open deliberate failureRange selector requires pointer
A control that can be operated with a pointer but not a keyboard
Open deliberate failureGame-like control requires mouse movement
A control that can be operated with a pointer but not a keyboard
Open deliberate failureA scrolling region cannot be reached by keyboard
A scrolling region that cannot be reached by keyboard
Open deliberate failureAn interactive control removed from the tab order
An interactive control removed from the tab order
Open deliberate failureA submenu opens only while the pointer hovers
A submenu reachable only while the pointer hovers the parent
Open deliberate failureAutofocus places focus past the start of the content
Focus moved to a control the user did not choose
Open deliberate failureEvery item in a composite widget removed from the tab order
A composite widget where every item is removed from the tab order
Open deliberate failureA listbox offering no keyboard model between options
A listbox offering no keyboard model for moving between options
Open deliberate failureA key handler attached where focus never lands
A key handler attached where focus never lands
Open deliberate failureA whole block made clickable with no control inside
A whole block made clickable with no control inside it
Open deliberate failureA modal that cannot be dismissed from the keyboard
A modal that cannot be dismissed from the keyboard
Open deliberate failureA control activated only by double click
A control whose only activation event has no keyboard equivalent
Open deliberate failureA replacement media player with no focusable controls
A replacement media player built from unfocusable elements
Open deliberate failureA visible control inside an inert subtree
A visible control inside an inert subtree
Open deliberate failureA scripted button that ignores Space
A scripted button that responds to Enter only
Open deliberate failureA dialog with no close control
A dialog with no close control, dismissed by clicking outside it
Open deliberate failureA windowed list whose rows are not in the DOM
A windowed list whose off-screen rows are not in the DOM
Open deliberate failureFurther results requested only by scrolling
Further results requested only by a scroll event
Open deliberate failureA suggestion list only the pointer can enter
A suggestion list that only the pointer can enter
Open deliberate failureA file control hidden out of the tab order
A file control removed from the tab order by the hiding technique
Open deliberate failureA menu that closes as focus reaches its items
A menu that destroys itself as focus reaches an item
Open deliberate failureA gallery scrolled only by the wheel
A gallery scrolled only by the wheel, with overflow removed
Open deliberate failureA control that blurs itself the moment it is focused
A control that blurs itself as soon as it is focused
Open deliberate failureA toolbar that suppresses Tab and wraps
A toolbar whose arrow model wraps and whose Tab is suppressed
Open deliberate failureA frame that pulls focus back on blur
Framed content that returns focus to itself on blur
Open deliberate failureAn editor that consumes Tab with no escape
An editor that consumes Tab and offers no escape sequence
Open deliberate failureA focus guard left running after its dialog is gone
A document focus guard left running after the dialog is gone
Open deliberate failureSingle-character shortcut cannot be turned off or remapped
A single-character shortcut with no way to turn it off or remap it
Open deliberate failureA shortcut guard that only knows native fields
A shortcut guard that only recognises native fields
Open deliberate failureA time limit cannot be turned off, adjusted or extended
A time limit with no way to turn it off, adjust it or extend it
Open deliberate failureAn automatic redirect cannot be stopped
An automatic redirect the user cannot stop
Open deliberate failureThe timeout warning leaves too little time to react
A timeout warning that leaves too little time to respond
Open deliberate failureA timed reload declared in the document
A timed reload declared in the document head
Open deliberate failureA timer that discards what has been typed
A form timer that discards what the user has typed
Open deliberate failureA verification code that expires too quickly
A verification code that expires before it can be entered
Open deliberate failureA reference number removed before it can be read
A message that removes itself before it can be read
Open deliberate failureA limit defended as essential where nothing requires it
A time limit defended as essential where nothing requires it
Open deliberate failureAutomatically moving content cannot be paused
Automatically moving content with no pause control
Open deliberate failureAuto-updating content cannot be paused
Auto-updating content with no way to pause or control the frequency
Open deliberate failureA carousel advances on a timer with no control
A carousel that advances on a timer with no control
Open deliberate failureText blinks indefinitely
Text that blinks continuously with no way to stop it
Open deliberate failureAn automatic update that discards the reading position
An automatic update that throws away the reading position
Open deliberate failureA ticker that pauses only on hover
A moving ticker whose only pause mechanism is hovering it
Open deliberate failureAn animated image with no pausable mechanism
An animated image with no mechanism capable of pausing it
Open deliberate failureA pause control that freezes the animation only
A pause control that freezes the animation and not the content
Open deliberate failureA looping background video with controls removed
A looping background video with its controls removed
Open deliberate failureNo mechanism to bypass a repeated navigation block
A mechanism to bypass repeated blocks
Open deliberate failureThe skip link leads nowhere
A skip link whose destination does not exist
Open deliberate failureRepeated blocks with neither a skip link nor landmarks
Repeated blocks with neither a skip link nor landmarks
Open deliberate failureA skip link removed from the accessibility tree
A skip link removed from the accessibility tree
Open deliberate failureA skip link whose target cannot take focus
A skip link whose target cannot receive focus
Open deliberate failureA skip link landing before the block
A skip link landing before the block it should skip
Open deliberate failureA bypass link placed after the block it bypasses
A bypass link placed after the block it bypasses
Open deliberate failureOne skip link in front of several repeated blocks
One skip link in front of several repeated blocks
Open deliberate failurePage title is empty
A page title that describes the page
Open deliberate failurePage title does not describe the page
A page title that describes the page
Open deliberate failureThe title names the site but not the page
A page title naming the site but not the page
Open deliberate failureEvery step of a process sharing one title
Every page in a set sharing one title
Open deliberate failureA title whose distinguishing words come last
A title whose distinguishing words come last
Open deliberate failureAn application that keeps its first title
A single-page application that keeps its first title
Open deliberate failurePositive tabindex imposes an illogical focus order
Focus order that does not follow meaning
Open deliberate failureFocus order contradicts the visual order
Focus order that contradicts the visual sequence
Open deliberate failureA dialog opens without moving focus into it
A dialog opened without moving focus into it
Open deliberate failureContent inserted ahead of the focused control
Content inserted before the focused control, changing what comes next
Open deliberate failureA dialog that discards focus when it closes
A dialog that discards focus when it closes
Open deliberate failureA delete control that removes what focus is on
A delete control that removes the element focus is on
Open deliberate failureA dialog rendered away from its trigger
A dialog appended at the end of the document, away from its trigger
Open deliberate failureAn action that throws focus to the top of the page
An in-page action that throws focus back to the start of the page
Open deliberate failureA focus call that runs before its target is rendered
A focus call that runs before the element it names is rendered
Open deliberate failureA modal whose background stays reachable
A modal dialog whose background content stays focusable
Open deliberate failureA collapsed panel whose controls still take focus
A collapsed panel hidden with visibility rules that keep focus
Open deliberate failureA conditional field reached before its condition
A conditional field reached before the answer that enables it
Open deliberate failureA widget whose only tab stop was deleted
A toolbar whose only tab stop was the item that was deleted
Open deliberate failureA client-side navigation that manages no focus
A client-side navigation that manages no focus at all
Open deliberate failureMultiple "Read more" links have no context
Whether a link communicates where it goes
Open deliberate failureMultiple "Click here" links have no context
Whether a link communicates where it goes
Open deliberate failureImage link has empty accessible name
Whether a link communicates where it goes
Open deliberate failureIcon-only link has no accessible name
Whether a link communicates where it goes
Open deliberate failureURL text does not identify destination purpose
Whether a link communicates where it goes
Open deliberate failureLink text says Download without file context
Whether a link communicates where it goes
Open deliberate failureMore link is separated from its heading context
Whether a link communicates where it goes
Open deliberate failureARIA label gives ambiguous link purpose
Whether a link communicates where it goes
Open deliberate failureLinked image alt names the file, not the destination
A linked image whose alt names the file instead of the destination
Open deliberate failureLinked icon name is generic
Whether a link communicates where it goes
Open deliberate failureSame link text leads to unrelated destinations
Whether a link communicates where it goes
Open deliberate failureAdjacent text does not programmatically provide context
Whether a link communicates where it goes
Open deliberate failureCard link is named only "Open"
Whether a link communicates where it goes
Open deliberate failureTable action links all say View without row association
Whether a link communicates where it goes
Open deliberate failurePagination links are named only arrows
Whether a link communicates where it goes
Open deliberate failureDocument link omits document identity
Whether a link communicates where it goes
Open deliberate failureExternal link icon is sole purpose cue
A link leaving the site signalled only by a decorative glyph
Open deliberate failureBreadcrumb link is unlabeled
Whether a link communicates where it goes
Open deliberate failureNavigation logo link lacks home purpose
A logo link whose name identifies the brand but not the destination
Open deliberate failureLink purpose depends only on visual position
Whether a link communicates where it goes
Open deliberate failureLinks named by file format and size
A link named by its file properties rather than its subject
Open deliberate failureHeading does not describe its section
A heading that describes its section
Open deliberate failureLabel does not describe what to enter
A field label that describes what to enter
Open deliberate failureTwo sections share an identical heading
Two sections headed identically while covering different things
Open deliberate failureTwo fields share an identical label
Two fields labelled identically while asking for different things
Open deliberate failureA section heading supplied as an unlabelled image
A section heading supplied as an unlabelled image
Open deliberate failureA label naming the input format rather than the content
A label naming the input format rather than what it collects
Open deliberate failureA label overwritten by the error text
A label rewritten to carry the error, losing the field name
Open deliberate failureOutline removed from links
Whether a keyboard focus indicator can be seen
Open deliberate failureOutline removed from buttons
Whether a keyboard focus indicator can be seen
Open deliberate failureCustom control has no focus style
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator matches the background
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator visible only on mouse hover
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus style clipped by overflow
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator too subtle to perceive
Whether a keyboard focus indicator can be seen
Open deliberate failureSelected state mistaken for focus with no distinct focus
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator removed in a global override
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus ring hidden behind adjacent element
Whether a keyboard focus indicator can be seen
Open deliberate failureInput focus indicated by placeholder disappearance only
Whether a keyboard focus indicator can be seen
Open deliberate failureMenu item focus has no visual change
Whether a keyboard focus indicator can be seen
Open deliberate failureTab focus is invisible
Whether a keyboard focus indicator can be seen
Open deliberate failureCheckbox focus is invisible
Whether a keyboard focus indicator can be seen
Open deliberate failureRadio focus is invisible
Whether a keyboard focus indicator can be seen
Open deliberate failureIcon button focus is invisible
Whether a keyboard focus indicator can be seen
Open deliberate failureSkip link receives focus while remaining hidden
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator transparent
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus indicator appears outside clipped container
Whether a keyboard focus indicator can be seen
Open deliberate failureFocus style disabled by global :focus rule
Whether a keyboard focus indicator can be seen
Open deliberate failureAn indicator bound to hover rather than focus
An indicator bound to hover rather than focus
Open deliberate failureA focus indicator lost against the control border
A focus indicator lost against the control it outlines
Open deliberate failureA focus style gated behind a scripted class
A focus style applied only when script decides the input was a keyboard
Open deliberate failureAn offset outline drawn past the clipping edge
A focus outline offset off the edge of its scroll container
Open deliberate failureAn indicator that script-moved focus never matches
An indicator keyed on focus-visible that script-moved focus never matches
Open deliberate failureA focus ring painted on the row rather than the control
A focus ring painted on a wrapper rather than the focused control
Open deliberate failureA focused control is hidden behind a sticky header
A focused control hidden behind sticky content
Open deliberate failureA focused control is covered by a fixed bottom banner
A focused control covered by a fixed banner
Open deliberate failureA pinned first column covering the focused control
A sticky first column covering a focused control beside it
Open deliberate failureA scroll call that parks the control under the header
A scroll-into-view call that parks the control under a pinned header
Open deliberate failureA popover that covers the control that opened it
A popover opened by focus that covers the control that opened it
Open deliberate failureA path-based gesture has no single-pointer alternative
A path-based gesture with no single-pointer alternative
Open deliberate failureA multipoint gesture with no single-pointer alternative
A multipoint gesture with no single-pointer alternative
Open deliberate failureA destructive action completes on the down event
An action completed on the down event
Open deliberate failureThe action completes on the raw up event with no chance to abort
A pointer action that cannot be aborted by moving away
Open deliberate failureAn action that fires wherever the pointer is released
An action that completes wherever the pointer is released
Open deliberate failureAn action committed by a timer started on press
An action committed by a timer started on the down event
Open deliberate failureThe visible label is not contained in the accessible name
The visible label contained in the accessible name
Open deliberate failureThe accessible name contains only part of the visible label
An accessible name containing only part of the visible label
Open deliberate failureThe label words present in a different order
A name containing the label words in a different order
Open deliberate failureA visible label that exists only in CSS
A visible label that exists only as generated content
Open deliberate failureA toggle whose name belongs to the other state
A toggle whose name keeps the label it started with
Open deliberate failureA labelling reference resolving to the target's own ARIA name
A labelling reference resolving to the target's own ARIA name
Open deliberate failureA function is operable only by device motion
A function operable only by device motion
Open deliberate failureA function operable only by tilting the device
A function operable only by tilting the device
Open deliberate failureMotion response with no off switch
Device motion that the page offers no way to switch off
Open deliberate failureReordering requires a dragging movement
A dragging movement with no single-pointer alternative
Open deliberate failureA slider adjustable only by dragging
A slider adjustable only by dragging
Open deliberate failureA panel splitter with no other mechanism
A panel splitter with no non-dragging alternative
Open deliberate failureTarget is 16x16 with adjacent target too close
Pointer target size and spacing
Open deliberate failureTwo 20x20 icon buttons overlap 24px exclusion circles
Pointer target size and spacing
Open deliberate failureSmall checkbox custom target has insufficient spacing
Pointer target size and spacing
Open deliberate failureTiny carousel dots are crowded
Pointer target size and spacing
Open deliberate failureSmall pagination targets are crowded
Pointer target size and spacing
Open deliberate failureClose icon target is under 24px and crowded
Pointer target size and spacing
Open deliberate failureToolbar icons are under 24px and crowded
Pointer target size and spacing
Open deliberate failureMap controls are small and adjacent
Pointer target size and spacing
Open deliberate failureRating stars have undersized crowded targets
Pointer target size and spacing
Open deliberate failureCalendar day controls are undersized and crowded
Pointer target size and spacing
Open deliberate failureTree expand controls are undersized and crowded
Pointer target size and spacing
Open deliberate failureTable action icons are undersized and crowded
Pointer target size and spacing
Open deliberate failureStepper plus/minus controls are too small and close
Pointer target size and spacing
Open deliberate failureMedia controls are too small and close
Pointer target size and spacing
Open deliberate failureBreadcrumb icon targets are too small and close
Pointer target size and spacing
Open deliberate failureChip remove buttons are too small and close
Pointer target size and spacing
Open deliberate failureMobile nav icons are too small and close
Pointer target size and spacing
Open deliberate failureColor swatches are too small and close
Pointer target size and spacing
Open deliberate failureSegmented controls have undersized targets
Pointer target size and spacing
Open deliberate failureFloating mini-buttons are undersized and crowded
Pointer target size and spacing
Open deliberate failureAn undersized target with no neighbour at all
An undersized target with no neighbour, so no spacing exception applies
Open deliberate failureTwo targets whose hit areas overlap
Two targets whose hit areas overlap
Open deliberate failureA target sized in viewport units falls below the minimum
A target sized in viewport units that falls below the minimum
Open deliberate failureA target whose padding is clipped away
A control whose declared padding is clipped away by its parent
Open deliberate failureA target sized in one dimension
A control given a height but not a width
Open deliberate failureA list of links each on its own line, undersized
A list of links each on its own line, under the minimum size
Open deliberate failureAn undersized control whose equivalent is absent
An undersized control whose claimed larger equivalent is absent
Open deliberate failureThe user-agent exception claimed for an authored size
The user-agent exception claimed for a control the author has resized
Open deliberate failureThe page declares no language
The declared human language of the document
Open deliberate failureThe page declares an invalid language tag
The declared human language of the document
Open deliberate failureA valid tag naming a language the page is not written in
A valid language tag naming a language the page is not written in
Open deliberate failureA foreign-language passage is not marked
A passage in another language marked with its own lang
Open deliberate failureA language declared over more text than it applies to
A language declared on a container wider than the passage it applies to
Open deliberate failureA quoted passage in another language left unmarked
A quoted passage in another language left unmarked
Open deliberate failureA control named in another language
A control named in another language with no lang on the name source
Open deliberate failureA lang attribute holding a language name
A lang attribute carrying a language name instead of a subtag
Open deliberate failureA text alternative in another language
A text alternative written in another language
Open deliberate failureReceiving focus changes the context
A change of context triggered by receiving focus
Open deliberate failureFocusing a field opens a dialog
A dialog opened merely by focusing a control
Open deliberate failureA form submitted by focus reaching its last field
A form submitted by focus reaching its last field
Open deliberate failureFocus swapping out the surrounding content
Focus on a control swapping out the surrounding content
Open deliberate failureChanging a value changes the context
A change of context triggered by changing a value
Open deliberate failureToggling a checkbox submits the form
A form submitted by toggling a checkbox
Open deliberate failureChoosing a radio navigates at once
Choosing a radio navigating away at once
Open deliberate failureA jump menu that fires on every option
A jump menu that navigates as the arrow keys move through it
Open deliberate failureA filter that deletes what focus is on
A filter that removes the element focus is currently on
Open deliberate failureCode fields that move focus on each character
Code fields that move focus on as each character is typed
Open deliberate failureA late validation result that pulls focus back
A late validation result that pulls focus back
Open deliberate failureThe warning placed after the control it governs
The warning about a context change placed after the control it governs
Open deliberate failureAn input error is not identified in text
An input error identified in text
Open deliberate failureAn error indicated only by an icon
An error indicated only by an icon
Open deliberate failureAn error summary that does not reach the fields
An error summary that does not lead to the fields
Open deliberate failureAn error message beside a field but not attached to it
An error message beside a field but not attached to it
Open deliberate failureAn error message removed as focus leaves the field
An error message removed as soon as focus leaves the field
Open deliberate failureAn error identified only by where the message sits
An error identified only by where the message sits
Open deliberate failureAn error message present while the control is valid
An error message present while the control is not marked invalid
Open deliberate failureA summary stating how many errors and naming none
A summary stating how many errors there are and naming none
Open deliberate failureAn error marked on a correct field
An error marked on a field that is not the one in error
Open deliberate failureErrors left to the browser bubble
Constraint validation left to the browser bubble
Open deliberate failureA field marked invalid with no reason given
A field marked invalid with nothing saying why
Open deliberate failureA date control that corrects the entry silently
A date control that corrects the entry and reports nothing
Open deliberate failureA message that states neither the field nor the fault
An error message that states neither the field nor the fault
Open deliberate failureText input has no label
A field that tells the user what to enter
Open deliberate failureTextarea has no label
A field that tells the user what to enter
Open deliberate failureSelect has no label
A field that tells the user what to enter
Open deliberate failureCheckbox group has no instruction
A field that tells the user what to enter
Open deliberate failureRequired format is not explained
Guidance a user needs before entering a value
Open deliberate failureRequired field has no indication
Whether a required field is identified as required
Open deliberate failureDate format instruction missing
Guidance a user needs before entering a value
Open deliberate failurePassword requirements not provided
Guidance a user needs before entering a value
Open deliberate failureRadio group has no group label
A field that tells the user what to enter
Open deliberate failureFile upload restrictions not described
Guidance a user needs before entering a value
Open deliberate failureSearch input relies only on placeholder
A field that tells the user what to enter
Open deliberate failureA label is associated with the wrong control
A label associated with a different control than the one it sits beside
Open deliberate failureInstruction exists visually but is not associated
Guidance that exists on screen but is not linked to the field
Open deliberate failureRequired symbol has no explanation
A required marker with no legend explaining it
Open deliberate failureUnits are omitted from numeric input label
Guidance a user needs before entering a value
Open deliberate failureMulti-part name fields are ambiguously labeled
A field that tells the user what to enter
Open deliberate failureAddress fields have generic labels
A field that tells the user what to enter
Open deliberate failureAutocomplete field has no purpose instruction
Guidance a user needs before entering a value
Open deliberate failureCustom input has no accessible label
A field that tells the user what to enter
Open deliberate failureA label removed from rendering, taking the name with it
A label removed from rendering, taking the name with it
Open deliberate failureA visible label hidden from assistive technology
A visible label hidden from assistive technology
Open deliberate failureFormat guidance reachable only by hovering an icon
Format guidance reachable only by hovering an icon
Open deliberate failureUnits of measure carried only by the placeholder
Units of measure carried only by the placeholder
Open deliberate failureA form-wide rule attached to nothing
A form-wide rule stated once and attached to nothing
Open deliberate failureA field label supplied as an unlabelled image
A field label supplied as an unlabelled image
Open deliberate failureThe format rule shown only after an error
The format rule shown only once the user has already got it wrong
Open deliberate failureA field that truncates at an unstated limit
A field that silently truncates at a limit it never states
Open deliberate failureGuidance left behind on a previous step
Guidance published on a step the user has already left
Open deliberate failureA field that became required with no change
A field that becomes required with no change to how it is marked
Open deliberate failureA disabled submit with unstated conditions
A submit control disabled until conditions the page never states
Open deliberate failureGuidance the field itself will reject
Guidance that the field itself will reject
Open deliberate failureAn error message suggests no correction
A correction suggestion when one is known
Open deliberate failureThe suggestion describes a different field
A correction suggestion describing a different field
Open deliberate failureThe suggestion appears only on hover
A suggestion shown only while the pointer hovers
Open deliberate failureThe correction is only available on another page
A correction available only by following a link away
Open deliberate failureThe message restates the rule without suggesting a value
A message restating the rule without suggesting a value
Open deliberate failureA correction the field would reject
A correction the field would reject
Open deliberate failureA financial submission offers no review or reversal
Review or reversal before a consequential submission
Open deliberate failureA binding agreement with no confirmation step
A binding agreement submitted with no confirmation step
Open deliberate failureData deleted with no confirmation and no reversal
Data deleted with no confirmation and no way back
Open deliberate failureA review step that cannot be acted on
A review step that cannot be gone back on
Open deliberate failureAn undo window that closes mid-task
An undo window that closes before the task can be finished
Open deliberate failureA confirmation that does not say what it confirms
A confirmation that does not say what is being confirmed
Open deliberate failureEnter in a field committing a payment
Enter in any field committing a financial transaction
Open deliberate failureA commitment accepted without checking the data
A commitment accepted without checking the data first
Open deliberate failureInformation already supplied is requested again
Information the user already supplied being asked for again
Open deliberate failureInformation the service already displays is asked for again
Information the service already holds asked for again
Open deliberate failureA timeout that discards answers already given
A timeout that discards answers already given in the same process
Open deliberate failureOne answer asked for twice in two shapes
One answer asked for twice in two different shapes
Open deliberate failureA second address block with no way to reuse the first
A second address block with no way to reuse the first
Open deliberate failureA step that is empty on return
A step in a process that is empty on return
Open deliberate failureA transcription test has no alternative
A cognitive function test with no alternative
Open deliberate failureA puzzle used as an authentication step
A puzzle used as an authentication step
Open deliberate failureA password field that blocks paste and autofill
A password field that blocks paste, defeating a password manager
Open deliberate failureA reset step gated on remembering a personal fact
A reset step gated on remembering a personal fact
Open deliberate failureAutofill suppressed on the sign-in fields
Autofill suppressed on the sign-in fields
Open deliberate failureTwo modalities testing the same function
An alternative modality that tests the same function
Open deliberate failureA verification code hidden on the screen where it is entered
A verification code hidden on the screen where it is entered
Open deliberate failureCustom button has no role
Name, role and value exposed to assistive technology
Open deliberate failureCustom checkbox has no state
Name, role and value exposed to assistive technology
Open deliberate failureCustom switch has no accessible name
Name, role and value exposed to assistive technology
Open deliberate failureCustom slider exposes no value
Name, role and value exposed to assistive technology
Open deliberate failureARIA control has invalid role
Name, role and value exposed to assistive technology
Open deliberate failureCombobox does not expose expanded state
Name, role and value exposed to assistive technology
Open deliberate failureTab does not expose selected state
Name, role and value exposed to assistive technology
Open deliberate failureDisclosure button does not expose expanded state
Name, role and value exposed to assistive technology
Open deliberate failureProgressbar lacks current value
Name, role and value exposed to assistive technology
Open deliberate failureSpinbutton lacks current value
Name, role and value exposed to assistive technology
Open deliberate failureTree item lacks expanded state
Name, role and value exposed to assistive technology
Open deliberate failureMenu item checkbox lacks checked state
Name, role and value exposed to assistive technology
Open deliberate failureDialog lacks accessible name
Name, role and value exposed to assistive technology
Open deliberate failureIcon button lacks accessible name
Name, role and value exposed to assistive technology
Open deliberate failureCustom link has no link role
Name, role and value exposed to assistive technology
Open deliberate failureListbox option lacks selected state
Name, role and value exposed to assistive technology
Open deliberate failureToggle button lacks pressed state
Name, role and value exposed to assistive technology
Open deliberate failureInput accessible name is empty
Name, role and value exposed to assistive technology
Open deliberate failureARIA referenced label ID does not exist
Name, role and value exposed to assistive technology
Open deliberate failureWidget state changes visually but not programmatically
Name, role and value exposed to assistive technology
Open deliberate failureA focusable control hidden from assistive technology
A focusable control hidden from assistive technology
Open deliberate failureTwo naming mechanisms declaring different names
Two naming mechanisms declaring different names
Open deliberate failurerole="presentation" on a control that can be focused
role="presentation" on a control that can be focused
Open deliberate failureA duplicated id makes an ARIA reference ambiguous
A duplicated id making an ARIA reference ambiguous
Open deliberate failureA listbox owning no options
A composite role missing the children its role requires
Open deliberate failureA tablist owning no tabs
A tablist whose children are not tabs
Open deliberate failureA radiogroup owning no radios
A radiogroup owning no radios
Open deliberate failurearia-activedescendant naming a missing element
aria-activedescendant naming an element that does not exist
Open deliberate failurearia-owns naming a missing element
aria-owns naming an element that does not exist
Open deliberate failureAn abstract ARIA role applied to an element
An abstract ARIA role applied to an element
Open deliberate failureA control announced as disabled while remaining operable
A control announced as disabled while remaining fully operable
Open deliberate failureA field announced read-only while still accepting input
A field announced as read-only while still accepting input
Open deliberate failureA range widget whose text value contradicts its number
A range widget whose text value contradicts its numeric value
Open deliberate failureOne interactive control nested inside another
One interactive control nested inside another
Open deliberate failurearia-expanded on the panel instead of the button
aria-expanded placed on the region rather than the control
Open deliberate failureTwo widgets claiming one element
Two widgets claiming ownership of one element
Open deliberate failureAn ARIA state disagreeing with its control
An ARIA checked state disagreeing with the control it sits on
Open deliberate failureA name on an element that can carry none
An accessible name given to an element that can carry none
Open deliberate failureA widget's required children removed from the tree
A required child of a widget removed from the tree
Open deliberate failureA value outside its own bounds
A range value outside the minimum and maximum it declares
Open deliberate failureAn enumerated state outside its token set
An aria-current value outside the enumerated set
Open deliberate failureTabs belonging to no tablist
Tabs that belong to no tablist
Open deliberate failureA toggle state on a link
A toggle state on a role that does not support it
Open deliberate failureAn error reference resolving to an unrendered element
An error message reference resolving to an unrendered element
Open deliberate failureA disclosure whose native state is replaced by a weaker role
A disclosure whose native semantics are replaced by a weaker role
Open deliberate failureA popup type that does not match what opens
A popup type announced as something the control does not open
Open deliberate failureAn image role over the controls inside it
An image role applied over controls it removes from the tree
Open deliberate failureSet positions that disagree with the list
Set position attributes that disagree with the list
Open deliberate failureA range widget whose exposed value never changes
A range widget whose exposed value is only ever the initial one
Open deliberate failureAn expandable state on an item with nothing to expand
An expandable state on an item with nothing to expand
Open deliberate failureA multi-select listbox announced as single-select
A multi-select listbox announced as single-select
Open deliberate failureA validity state left true after the fix
A validity state left true after the entry is fixed
Open deliberate failureA vertical slider left at the horizontal default
A vertically rendered slider left at the horizontal default
Open deliberate failureThe application role applied over document content
The application role applied over ordinary document content
Open deliberate failureAn active-descendant relationship that can never apply
An active-descendant relationship on a container that cannot take focus
Open deliberate failureA named group whose individual inputs have no names
A grouped field whose individual inputs compute no name
Open deliberate failureA range widget hiding its real scale behind the role defaults
A range widget whose real scale is hidden behind the role defaults
Open deliberate failureA name computed through a label containing a form control
A name computed through a label that contains a form control
Open deliberate failureAn empty reference consuming the description slot
An empty reference consuming the description slot
Open deliberate failureA misspelled ARIA attribute the engine discards
A misspelled ARIA attribute the engine discards entirely
Open deliberate failureA results count is not exposed as a status message
A status message exposed through a live region
Open deliberate failureA validation summary is not announced
A validation summary announced without moving focus
Open deliberate failureA loading state is not exposed programmatically
A region whose loading state is exposed programmatically
Open deliberate failureA result count updated with no live region
A result count updated with no live region
Open deliberate failureA status delivered by moving focus to it
A status delivered by moving focus instead of announcing it
Open deliberate failureA live region created at the same moment as its message
A live region created at the moment its message appears
Open deliberate failureA status region declaring aria-live="off"
A status region declaring aria-live="off"
Open deliberate failureA region left marked busy after its content arrives
A region left marked busy after its content arrives
Open deliberate failureA status announcing only the fragment that changed
A status announcing only the fragment that changed
Open deliberate failureA status overwritten inside the announcement window
A second status overwriting the first within the announcement window
Open deliberate failureA region deleted as it receives its text
A live region deleted at the moment it receives its text
Open deliberate failureA status region outside the rendered tree
A status region that is never in the rendered tree when it updates
Open deliberate failureA live region ignoring the change it receives
A live region configured to ignore the kind of change it receives
Open deliberate failureAn alert downgraded by an explicit live value
An alert downgraded by an explicit live setting
Open deliberate failureA result count written only to the title
A result count written to the title and nowhere else
Open deliberate failureA visible status region removed from the tree
A visible status region removed from the accessibility tree
Open deliberate failureA keyboard reorder whose outcome is reported nowhere
A keyboard reorder whose outcome is reported nowhere
Open deliberate failureA status rewritten with the text it already holds
A status rewritten with the text it already holds
Open deliberate failureReady to test beyond automation?
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