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EEAT and Accessibility Signals

How Google's Experience, Expertise, Authoritativeness, and Trustworthiness (EEAT) framework intersects with web accessibility, and how accessibility signals strengthen your EEAT profile.

What Is EEAT and Why It Matters for AI Search

EEAT stands for Experience, Expertise, Authoritativeness, and Trustworthiness. It is the framework Google's Quality Raters use to evaluate the quality of web content, and it increasingly influences how AI systems assess content credibility. For YMYL (Your Money or Your Life) topics — including health, legal, financial, and accessibility guidance — EEAT signals are critical ranking and citation factors.

Accessibility content is a YMYL-adjacent topic: incorrect guidance about accessibility compliance can result in legal liability, exclusion of disabled users, and real harm. This means Google and AI engines apply heightened scrutiny to accessibility guides. Building strong EEAT signals is not optional for an accessibility knowledge base — it is essential.

Experience: Demonstrating First-Hand Knowledge

The "E" for Experience (added in the 2022 update to E-A-T) rewards content that demonstrates actual hands-on experience with the topic. For accessibility content, this means:

  • Including real code examples from actual implementations, not hypothetical code.
  • Referencing specific tools and their real behaviors (e.g., "NVDA with Firefox reads aria-live regions in this specific way...").
  • Discussing edge cases and real-world complications, not just textbook definitions.
  • Sharing audit findings, case studies, or before/after comparisons from real projects.

Content written by someone who has never run an accessibility audit will lack the specificity and nuance that quality raters and AI systems look for. If your team has direct accessibility testing experience, surface it clearly in your content.

Expertise: Author Credentials and Topical Authority

Expertise signals include:

  • Author bylines with linked author pages that include credentials, certifications (IAAP CPACC, WAS), and professional background.
  • Citations of primary sources: link to the W3C WCAG specification, peer-reviewed research, and official government accessibility guidance.
  • Correct use of technical terminology — imprecise language is a credibility red flag.
  • Topical depth — covering WCAG criteria accurately, including the normative language and failure criteria.

Schema markup supports expertise signals. Use Person schema for authors with knowsAbout and hasCredential properties. Use Organization schema with foundingDate, areaServed, and description fields.

Authoritativeness: Backlinks, Citations, and Brand

Authoritativeness is primarily a function of who else on the web refers to you as a source. For an accessibility knowledge base, target these citation sources:

  • Backlinks from W3C WAI, Deque, WebAIM, A11y Project, and similar accessibility authorities.
  • Mentions in accessibility Slack communities, forums, and newsletters.
  • Guest posts on authoritative sites that link back to your knowledge base.
  • Being cited in accessibility audit reports, legal documents, or procurement checklists.

From an accessibility perspective: a site that publishes correct, comprehensive accessibility guidance will naturally attract backlinks from the community it serves. Quality content is the foundation of authoritativeness.

Trustworthiness: Transparency and Accuracy

Trust signals that AI systems and quality raters assess include:

  • An accurate accessibility statement on your own site — practicing what you preach.
  • Clear contact information and a privacy policy.
  • Publication dates and last-updated dates on all content.
  • A clear correction policy — if information changes (WCAG versions update, laws change), update the content and note the change.
  • No misleading claims — do not overstate the comprehensiveness of automated testing tools or the simplicity of compliance.

Accessibility as a Trust Signal

An accessibility-focused site that itself has accessibility barriers is a significant credibility problem. Would you trust a cybersecurity firm whose own site had known vulnerabilities? AI quality systems increasingly evaluate whether a site's actual implementation matches its claimed expertise. Run regular accessibility audits on your own site and prominently display your conformance level or VPAT.

Publishing your own accessibility conformance report and linking to it from your knowledge base guides demonstrates intellectual honesty and strengthens every dimension of EEAT.

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