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Proof · Accessibility scorecard

Every page on this site, scanned and chain-stamped.

The accessibility statement commits us to WCAG 2.2 Level AA across the public surface. This page is how we prove it. A scan runs against every canonical URL; the result — pages scanned, errors, warnings, per-page status, exact rules tested — is written to the public audit_logs chain as an accessibility_scan_completed event. Verifying the chain at that sequence equals verifying the scan. Same standard the rest of the site lives under. No fast track and no slow track.

Latest scan

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Fetching latest scan…

Reading /api/v1/admin/provenance/accessibility.latest_scan

Per-page results

What gets checked

Structural WCAG 2.2 AA, in nine rules.

The scan is the structural half of WCAG 2.2 AA — the things measurable from rendered HTML alone. It does not replace screen-reader testing or color-contrast measurement on rendered pixels (we do those manually per release per the statement). What it does cover, on every public page, every scan:

  1. <html lang> is set (WCAG 3.1.1)
  2. Skip-link is the first focusable element on the page (2.4.1)
  3. <main id="main"> exists as the skip-link target (2.4.1, 4.1.2)
  4. <title> is present and non-empty (2.4.2)
  5. Exactly one <h1> per page (2.4.6)
  6. No heading-level jumps — h2→h3→h4 only descends (1.3.1, 2.4.6)
  7. Every <img> has an alt attribute (1.1.1)
  8. Every form input has an associated <label>, aria-label, or aria-labelledby (3.3.2)
  9. Every <table> has a header row (<thead> or <th>) (1.3.1)

How this works

Same chain. Same standard. Same proof.

1 · Scanner runs. The static-hierarchy checker (rules above) walks every canonical URL on conceptualhealth.com.

2 · Result chain-stamped. The full scan summary — every page, every issue if any — is written to audit_logs as an event of type accessibility_scan_completed. The row carries an HMAC and a pointer to the row before it.

3 · You verify. The chain row is publicly readable at /proof/chain.html?seq=N (link above). Walk the chain at /proof/verify-chain.html to prove the row hasn't been edited. Read the description; that's the scan output verbatim. No translation, no PR-team re-write.

Integrity In All We Do℠. Every clinical decision, every line of audit log, every line of code, every accessibility scan, answers to the same chain.