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