iframe-title-unique
Frame titles must be unique
automaticWCAG 4.1.2 (A)confidence: highseverity: moderaterobust
Checks that no two <iframe>/<frame> elements in scope share the same title attribute value.
Applies to. Applies to <iframe>/<frame> elements that carry a non-empty title attribute.
Expectation. No two frames in scope share the same (trimmed, case-sensitive) title attribute value, a duplicate title prevents assistive technology users from telling frames apart when scanning by name.
Examples
pass
<iframe title="Chat widget" src="content.html"></iframe>
No other frame on the page shares this title.
fail
<iframe title="Video player" src="a.html"></iframe><iframe title="Video player" src="b.html"></iframe>
Two frames on the same page share the identical title despite embedding different content.