An ADA accessibility audit evaluates whether a website or app is usable by people with disabilities and aligns with established accessibility standards most often WCAG (the Web Content Accessibility Guidelines). For US businesses, it matters on four fronts: legal risk (US courts have widely treated business websites as covered under the ADA, and accessibility-related lawsuits and demand letters have become common), audience reach (a meaningful share of users have disabilities and depend on accessibility), SEO (accessibility practices like clear semantics and alt text overlap with what search engines reward), and brand (visible inaccessibility erodes trust). An audit identifies the gaps and gives you a fix path and doing one is markedly cheaper than dealing with the consequences of skipping it.
This guide covers what an accessibility audit is, why it matters in the US, what it covers, common failures, and what to do with the findings. (This is general guidance, not legal advice consult qualified counsel for your specific situation.)
What an ADA Accessibility Audit Is
An accessibility audit is a structured review of a digital product against accessibility standards typically WCAG to identify barriers for users with disabilities. It evaluates visual design (contrast, color use, type), structure and semantics (headings, landmarks, labels), keyboard and assistive-technology compatibility (screen readers like VoiceOver/NVDA/JAWS), media (alt text, captions), and interaction patterns (forms, errors, focus management). The output is a documented set of findings, severity, and recommended fixes.
Why It Matters for US Businesses
Legal risk is the most immediate driver. US courts have generally treated public-facing business websites as “places of public accommodation” under the ADA, and accessibility-related lawsuits and demand letters have grown into a sustained trend. Beyond compliance, accessibility broadens reach (a real share of every audience depends on it), aligns with SEO (semantic structure, alt text), and signals care and credibility. Treated only as a legal box, accessibility underperforms treated as quality, it pays back across the business.
What an Audit Covers (WCAG-Aligned)
|
Area |
What it evaluates |
|
Perceivable |
Contrast, color use, text alternatives, captions |
|
Operable |
Keyboard access, focus order, no traps, time limits |
|
Understandable |
Predictable behavior, clear labels and instructions |
|
Robust |
Compatibility with assistive tech (screen readers, etc.) |
Common Accessibility Failures
Recurring issues include insufficient color contrast, missing or weak alt text, keyboard-inaccessible interactive elements, unlabeled form fields, focus that disappears or gets trapped, lack of semantic structure (no proper headings/landmarks), images of text, and inaccessible PDFs and embedded media. Each is fixable; together they form the bulk of most US accessibility complaints.
What to Do With the Findings
Prioritize fixes by severity and impact (critical blockers first), build accessibility into design and engineering processes so issues don’t reappear, train teams on the standards, and re-audit periodically. Treat accessibility as an ongoing commitment, not a one-off cleanup. (See how to prioritize UX issues after an audit.)
Centric includes accessibility checks within its UI/UX audit service.
Concerned about accessibility? Explore Centric UI/UX audits or talk to the Centric team.
Frequently Asked Questions
Why do US businesses need an ADA accessibility audit?
Because US courts have generally treated business websites as covered under the ADA, and accessibility lawsuits and demand letters have grown into a sustained trend. An audit also broadens audience reach, supports SEO, and protects brand trust beyond pure compliance.
What is WCAG?
WCAG (Web Content Accessibility Guidelines) are the most widely-used accessibility standards globally and the practical benchmark in US audits. They’re organized around four principles: perceivable, operable, understandable, and robust. Most ADA-aligned audits evaluate against WCAG.
Does my website have to be ADA compliant?
Public-facing US business websites are widely treated as “places of public accommodation,” so accessibility is generally expected though the exact obligations vary by business type and have evolved through case law. Confirm your specifics with qualified legal counsel; meanwhile, aligning with WCAG is the practical path.
Is accessibility just a legal issue?
No. It’s also a real-user, SEO, and brand issue. A meaningful share of users depend on accessibility, accessibility practices overlap with what search engines reward, and visible inaccessibility damages trust. Treated as quality, it pays back across the business.
Conclusion
An ADA accessibility audit checks whether your website or app is usable by people with disabilities and aligns with established standards, most often WCAG and its four principles perceivable, operable, understandable, and robust. For US businesses it matters on four fronts at once: legal risk, since courts have widely treated business websites as places of public accommodation and accessibility lawsuits and demand letters have become a sustained trend; audience reach, since a meaningful share of every audience depends on accessibility; SEO, since semantic structure and alt text overlap with what search engines reward; and brand, since visible inaccessibility erodes trust. Treated only as a legal box to tick, accessibility underperforms; treated as quality, it pays back across the business. Audit against WCAG, prioritize the critical blockers, build accessibility into your design and engineering process, and re-check periodically an audit costs far less than the consequences of skipping one. (This is general guidance, not legal advice; consult qualified counsel for your specific obligations.) Explore Centric UI/UX audits to assess accessibility and turn compliance into a strength.
