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Accessibility

Accessibility

Kurzinformation

RWTHjupyter pages should follow accessibility guidelines. The relevant accessibility criteria to be followed are listed in the table below.


Detailinformation

PerceivableOperableUnderstandableRobust
  • Non-text content
    • Alternative text for control elements
    • Alternative text for graphics and objects
    • Empty alt-attributes for layout graphics
    • Alternatives for CAPTCHAs
  • Audio and video recordings
    • Alternatives for audio recordings and silent videos
  • Captions
    • Recorded video with captions
  • Audio description or full-text alternative
    • Audio description or full-text alternative for videos
  • Live captions
    • Live videos with captions
  • Audio description
    • Audio description for videos
  • Information and References
    • HTML-Structural elements for Headers
    • HTML-Structural elements for Lists
    • HTML-Structural elements for quotations
    • Structured Content
    • Data tables set up properly
    • Assignment of table fields
    • No structure markup for layout tables
    • Labelling of form elements is readable for third party accessibility programs
  • Well structured data
    • Data is sensibly organised
  • Sensory Input
    • Usable without references to sensory input
  • Screen Orientation
    • Usable regardless of screen orientation
  • Clear purpose of input boxes
  • Input boxes for user data clearly communicate their purpose
  • Color
    • Fully understandable without color
  • Audio controls
    • Can be muted
  • Contrast
    • Text contrasts are sufficient
  • Variable text size
    • Text can be enlarged to at least 200%
  • Text graphics
    • No superfluous text graphics
  • Page breaks
    • Page breaks in the content are working
  • non-text contrast
    • Contrasts of images and control elements is sufficient.
  • Spacing
    • Variable word and letter spacing
  • Embedded Content
    • Embedded content fully accessible
 
  • Keyboard accessible
    • Usable without a mouse
  • No keyboard traps
    • No keyboard traps
  • Keyboard Shortcuts and Hotkeys
    • Shortcuts and Hotkeys are optional or customizable 
  • Time related requirements
    • Time limits are customizable
  • Pause, quit, hide
    • video content can be turned off
  • Three flashes or below threshold
    • No continuous flashing lights in content 
  • Bypass Blocks
    • blocks can be bypassed
  • Page Titled
    • Pages have titles that describe their purpose
  • Focus Order
    • focusable components receive focus in a reasonable order
  • Link purpose (In context)
    • Link purpose is clear from link text and context
  • Multiple Ways
    • The page can be located in more than one way
  • Headings and Labels
    • Headings and labels describe topic or purpose
  • Focus Visible
    • Current position of focus on the page is clearly visible
  • Pointer Gestures
    • Alternatives for complex pointer gestures are available
  • Pointer Cancellation
    • Pointer gestures can be aborted or undone
  • Label in Name
    • Labelled interface components have the text of their label in their name
  • Motion Actuation
    • Alternatives for motion actuation are present
 
  • Language of Page
    • Default Language can be programmatically determined
  • Language of Parts
    • Passages containing non-default languages are labelled as such 
  • On Focus
    • No unexpected change of context initiated by focus
  • On Input
    • No unexpected change of context on input
  • Consistent Navigation
    • Navigation is consistent across all pages
  • Consistent Identification
    • Components are labelled consistently
  • Error Identification
    • Error Identification
  • Labels or Instructions
    • Labels or Instructions are provided when user input is required
  • Help
    • Context-sensitive help is available
  • Error prevention
    • Error Prevention is supported
 

  • Syntax analysis
    • Syntax is correct and complete
  • Name, Role, Value
    • Name, Role, and value of all components can be programatically determined
  • Status messages
    • Status messages can be programatically determined
 

last changed on 05/05/2022

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