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Accessibility basics

usability.accessibility · Usability · 2 pts · required

Goal

Can an agent operate your website directly?

Whether the site itself is legible to non-rendering and browser agents: semantic HTML, no JS walls, accessibility.

How we test

Static checks: lang attribute, title, alt coverage, labeled inputs, landmarks.

How to pass

Fix basic accessibility (lang, alt text, labeled inputs, landmarks) — the accessibility tree is what browser-operating agents see.

Verify a fix

curl -X POST /api/scan/checks \
  -H 'content-type: application/json' \
  -d '{"url": "yourdomain.com", "checkIds": ["usability.accessibility"]}'