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Methodology

Landmarks and ARIA

ia.landmarks-aria · 3.4

Read SHOULD Recommendation

Why it matters

ARIA landmarks help AI agents identify page regions (navigation, main content, footer). This is the same API used by screen readers and is increasingly used by AI browsing agents.

How to fix it

Give each page region a landmark and label repeated landmarks.

  1. Make sure that each page has a main, a navigation and a contentinfo landmark.

  2. Add aria-label when a landmark type occurs more than once.

    <nav aria-label="Main">...</nav>
    <nav aria-label="Footer">...</nav>

Verify

Run a new scan for this checkpoint:

isagentready results {domain} --checkpoint ia.landmarks-aria
Details Mapping, lifecycle and references
AR mapping
No AR practice
Evidence source
W3C Landmarks Pattern
Score role
Core
Introduced
2026-08-24
Revised
2026-09-02
Methodology version
2026-10-22

Checkpoint data (JSON)