Ensure that moving, blinking, scrolling, or auto-updating objects or pages may be paused or stopped.
Some people with cognitive or visual disabilities are unable to read moving text quickly enough or at all. Movement can also cause such a distraction that the rest of the page becomes unreadable for people with cognitive disabilities. Screen readers are unable to read moving text. People with physical disabilities might not be able to move quickly or accurately enough to interact with moving objects.7.1 | Until user agents allow users to control flickering, avoid causing the screen to flicker. [Priority: 1] |
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7.2 | Until user agents allow users to control blinking, avoid causing content to blink (i.e., change presentation at a regular rate, such as turning on and off). [Priority: 2] |
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7.3 | Until user agents allow users to freeze moving content, avoid movement in pages. [Priority: 2] |
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7.4 | Until user agents provide the ability to stop the refresh, do not create periodically auto-refreshing pages. [Priority: 2]- For example, in HTML, don't cause pages to auto-refresh with "HTTP-EQUIV=refresh" until user agents allow users to turn off the feature.
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7.5 | Until user agents provide the ability to stop auto-redirect, do not use markup to redirect pages automatically. Instead, configure the server to perform redirects. [Priority: 2] |
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