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.
Related Links
- Schema.org — accessibilityFeature
- Schema.org Accessibility Vocabulary — index