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Any organisation with a public-facing website, web app, or digital product. Private businesses face ADA Title III litigation risk. Government sites have hard WCAG deadlines. EU businesses serving customers across member states are subject to the EAA. Healthcare organisations receiving federal funding face the HHS Section 504 deadline. The short answer: if the public can use your digital product, an audit is the right starting point.

Automated tools cover roughly 20–40% of WCAG success criteria. How you count matters: Deque's research on its own audit data reports that automation identifies a much larger share of total issue instances, because the failures it catches best — contrast, missing alt text, unlabelled form fields — are also the most repetitive. But breadth of criteria is what conformance is judged on, and the criteria automation cannot reach are the ones that matter most: whether a screen reader announces a button correctly, whether keyboard focus order makes logical sense, whether error messages are actually useful. Manual testing is not optional for genuine conformance.

An overlay injects JavaScript that tries to patch your site as it loads. It cannot rewrite the structural problems in your underlying code. The regulatory record is now explicit on the marketing claims: in April 2025 the FTC finalised a $1M order against accessiBe over claims that its widget made websites WCAG-compliant, and the 2021 ADP/LightHouse settlement stated that overlay solutions of that kind "will not suffice to achieve Accessibility". Customer suits alleging overlay compliance claims were false are also proceeding. Zylyn's audit finds the real issues in your code and the fixes go into the source. The Zylyn browser extension scans pages throughout your site to surface issues as you browse — a tool for finding problems, never a substitute for fixing the code.

WCAG 2.2 Level AA is the primary benchmark. It is the standard referenced by ADA case law, the EU's EN 301 549, and most other accessibility laws worldwide. Meeting WCAG 2.2 AA means you also satisfy WCAG 2.1 and 2.0, so one audit covers the technical core of virtually every major accessibility law.

The automated scan runs in 90 seconds. Manual expert review typically takes 2–5 business days depending on scope. The findings report and remediation plan are delivered within 24 hours of the manual review completing. Managed remediation timelines are scoped to your project during the discovery call.

Yes. PDFs are evaluated against PDF/UA and WCAG document criteria — most site-level audits miss them entirely, but they are regularly cited in demand letters and procurement disqualifications. Mobile apps are tested against WCAG 2.1 mobile criteria and platform accessibility APIs. Both are available as add-ons to a web audit or as standalone engagements.

An Accessibility Conformance Report (ACR), produced using the VPAT template, is a structured document describing how your product conforms to Section 508 or other accessibility standards. Federal agencies and many enterprise procurement teams require one before they will evaluate your product on its merits. Zylyn produces ACRs backed by real test evidence as part of the Managed Remediation tier.