Timed refresh must not exist
The document must not use
<meta http-equiv="refresh"> because it can prevent control over when the refresh occurs for users with disabilities.
The Algorithm, in Simple Terms
Checks for the presence of the
http-equiv="refresh" attribute on the
Why this is Important
Since users do not expect a page to refresh automatically, such refreshing can be disorienting. Refreshing also moves the programmatic focus back to the top of the page, away from where the user had it. Such resetting is frustrating for users.
Redirection and page refresh through the use of the
<meta> element is problematic for users with disabilities in many ways. The primary reason why redirects and refreshes are problematic is because the user has no control over when the redirect or refresh occurs. If the purpose of the
<meta> element is to redirect the user to a new location, server-side means should be employed instead of client-side. Content that moves or auto-updates can be a barrier to anyone who has trouble reading stationary text quickly as well as to anyone who has trouble tracking moving objects. It can also cause problems for screen readers.
How to Fix the Problem
http-equiv="refresh" attribute from each
meta element in which it is present.
To modify this example and make it accessible, remove the
http-equiv="refresh" attribute from the
<meta http-equiv="refresh" content="10" url="http://www.yourdomain.com/index.html">
If the purpose of the
For more information, see Timed Content in the Dynamic Content section of the HTML and CSS Accessibility course.
- HTML 4