Definition

The resource includes an index to the content.

Examples

Example 1 — EPUB 3
<meta property="schema:accessibilityFeature">
   index
</meta>
Example 2 — EPUB 2
<meta name="schema:accessibilityFeature"
      content="index"/>
Example 3 — Audiobooks
"accessibilityFeature": ["index"]

Explanation

The index value is used to indicate that a publication contains one or more indexes of the content (e.g., a topical index or index of names).

Indexes allow users who cannot see the text or have difficulty following it to find and return to subjects more easily.

ONIX Mapping

The index value maps to list 196 code 12 ("Index navigation").

Related Links