Techniques for WCAG 2.0

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ARIA13: Using aria-labelledby to name regions and landmarks


Technologies that support Accessible Rich Internet Applications (WAI-ARIA).

This technique relates to:

User Agent and Assistive Technology Support Notes

See User Agent Support for WAI-ARIA for general information on user agent support.


The purpose of this technique is to provide names for regions of a page that can be read by assistive technology. The aria-labelledby attribute provides a way to associate an section of the page marked up as a region or landmarks with text that is on the page that labels it.

Landmark roles (or "landmarks") programmatically identify sections of a page. Landmarks help assistive technology (AT) users orient themselves to a page and help them navigate easily to various sections of a page.

Like aria-describedby, aria-labelledby can accept multiple ids to point to other regions of the page using a space separated list. It is also limited to ids for defining these sets.


Example 1: Identify a landmark with on-page text

Below is an example of aria-labelledby used on a complementary Landmark. The region of the document to which the heading pertains could be marked with the aria-labelledby property containing the value of the id for the header.

<p role="complementary" aria-labelledby="hdr1">
 <h1 id="hdr1">
    Top News Stories

Example 2: Identification for Application landmarks

The following code snippet for application landmarks with static prose. If you have a regional landmark of type application and static descriptive text is available, then on the application landmark, include an aria-describedby reference to associate the application and the static text as shown here:

<div role="application" aria-labelledby="p123" aria-describedby="info">
<h1 id="p123">Calendar<h1>
<p id="info">
This calendar shows the game schedule for the Boston Red Sox.
<div role="grid">


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  1. Examine each element with attribute role=region or with a landmark role, where an aria-labelledby attribute is also present.

  2. Check that the value of the aria-labelledby attribute is the id of an element on the page.

  3. Check that the text of the element with that id accurately labels the section of the page.

Expected Results

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.