Easy to understand Information and the operation of a user interface must be understandable: Users must be able to understand the information as well as the operation of the user interface. Under this principle you will find guidelines relating but not limited to: Readable: Make text content readable and understandable. Predictable: Make Web pages appear and …
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Easy to work with different Web browsers and Technologies Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies: As technologies and user agents evolve, the content should remain accessible. Under this principle you will find guidelines relating but not limited to: Maximize compatibility with …
Easy to operate User interface components and navigation must be operable: The interface cannot require interaction that a user cannot perform. Under this principle you will find guidelines relating but not limited to: Keyboard Accessible: Make all functionality available from a keyboard. Enough Time: Provide users enough time to read and use content. Seizures and Physical …
Easy to perceive Information and user interface components must be presentable to users in ways they can perceive: A website is perceivable when a user can use their sense(s) of sight, sound, and touch to identify and process the information presented. Under this principle you will find guidelines relating but not limited to: Using media …
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2.1.1 Keyboard: All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except where the underlying function requires input that depends on the path of the user’s movement and not just the endpoints. (Level A) Note 1: This exception relates to the underlying function, not the input …
2.1.2 No Keyboard Trap: If keyboard focus can be moved to a component of the page using a keyboard interface, then focus can be moved away from that component using only a keyboard interface, and, if it requires more than unmodified arrow or tab keys or other standard exit methods, the user is advised of …
2.1.4 Character Key Shortcuts: If a keyboard shortcut is implemented in content using only letter (including upper- and lower-case letters), punctuation, number, or symbol characters, then at least one of the following is true: (Level A) Turn off: A mechanism is available to turn the shortcut off; Remap: A mechanism is available to remap the …
2.2.1 Timing Adjustable: For each time limit that is set by the content, at least one of the following is true: (Level A) Turn off: The user is allowed to turn off the time limit before encountering it; or Adjust: The user is allowed to adjust the time limit before encountering it over a wide …
2.2.2 Pause, Stop, Hide (A): For moving, blinking, scrolling, or auto-updating information, all of the following are true: (Level A) Moving, blinking, scrolling: For any moving, blinking or scrolling information that (1) starts automatically, (2) lasts more than five seconds, and (3) is presented in parallel with other content, there is a mechanism for the …
2.3.1 Three Flashes or Below Threshold: Web pages do not contain anything that flashes more than three times in any one second period, or the flash is below the general flash and red flash thresholds. (Level A). This applies to native apps by replacing “Web pages” with “Apps”. Requirements Content does not flash more than …
