Techniques for WCAG 2.0

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G110: Using an instant client-side redirect


Applies to all technologies.

This technique relates to:


The objective of this technique is to enable redirects on the client side without confusing the user. Redirects are preferably implemented on the server side (see SVR1: Implementing automatic redirects on the server side instead of on the client side (SERVER) ), because a server-side redirect does not cause new content to be displayed before the server sends the content located at the new URI. However, authors do not always have control over server-side technologies; in that case, they can use a client-side redirect. A client-side redirect is implemented by code inside the content that instructs the user agent to retrieve content from a different URI. It is important that the redirecting page or Web page only contains information related to the redirect.


Example 1: HTML: meta Refresh With a URI and No Timeout

In HTML 4.x and XHTML 1.x, it is possible to implement a client-side redirect using the meta element: see H76: Using meta refresh to create an instant client-side redirect (HTML) .


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  1. Find each link or programmatic reference to another page or Web page.

  2. For each link or programmatic reference, check if the referenced Web page contains code (e.g., meta element or script) that causes a client-side redirect.

  3. For each link or programmatic reference that causes a client-side redirect, check if the redirect is implemented without a time limit or delay and that the page only contains information related to the redirect.

Expected Results

Step 2 is false or step 3 is true.

If this is a sufficient technique for a success criterion, failing this test procedure does not necessarily mean that the success criterion has not been satisfied in some other way, only that this technique has not been successfully implemented and can not be used to claim conformance.

Techniques are Informative

Techniques are informative—that means they are not required. The basis for determining conformance to WCAG 2.0 is the success criteria from the WCAG 2.0 standard—not the techniques. For important information about techniques, please see the Understanding Techniques for WCAG Success Criteria section of Understanding WCAG 2.0.