Introduction

A web accessibility audit verifies that your site meets WCAG standards and is usable by people with diverse abilities. This checklist walks you through scoping, automated scans, manual testing with assistive technologies, and practical remediation steps. Use it to identify barriers, prioritize fixes by risk and impact, and produce a clear, actionable report that development teams can implement to make your digital experience inclusive and compliant.

Why Web Accessibility Audits Are Important?

Web accessibility audits matter for ethical, legal, business, and usability reasons. Ethically, they ensure people with disabilities can access information and services on equal terms. Legally, many jurisdictions require digital accessibility, and audits reduce the risk of complaints or litigation. From a business perspective, accessible sites reach more users, improve SEO, and reduce customer support costs. Practically, audits reveal usability problems that affect everyone, not just assistive technology users, and they create a prioritized roadmap for continuous improvement.

Why do audits matter legally and practically?

Laws reference standards rather than prescribe audits. Most regulations do not literally say “you must run an audit,” but they require digital services to meet accessibility standards such as WCAG, which auditors test against. Regulators and courts commonly treat documented testing and remediation as evidence of due diligence.
Jurisdictional variation is significant. Public sector bodies in the EU and many countries face explicit accessibility obligations; in the U.S., the ADA has been interpreted to apply to websites and apps, and federal rules (Section 508) mandate accessibility for government systems and vendors. Organizations should identify which laws apply based on region and sector.
Audits support risk management. Audits produce objective findings—automated scans, manual checks, and functional testing with people who use assistive technology—that create a prioritized remediation plan. This documentation helps defend against complaints, demand letters, or litigation and demonstrates a proactive compliance effort.

Practical implications for organizations

If you serve the public or receive government funds, assume stronger obligations. Public institutions and many funded entities are often required to meet accessibility standards and publish conformance statements.
Private companies should treat audits as best practice. Even where laws are ambiguous, audits reduce exposure to legal claims and unlock business benefits—broader market reach and improved UX.
A complete audit combines three layers: automated scanning, expert manual review, and functional testing with users who have disabilities; relying on automated tools alone is insufficient.

Recommended next steps

Determine applicable laws and target WCAG level (commonly WCAG 2.1 AA).
Commission or run a full audit that includes manual and functional testing, not just automated scans.
Document findings and implement a remediation roadmap with re‑testing to show continuous improvement.

Audit Preparation

Define Scope and Objectives

Scope: List domains, sub-domains, page templates, document types, and third‑party integrations to include.
Priority pages: Identify high‑traffic pages, transactional flows (login, checkout), and legally sensitive content.
Standards target: Specify the WCAG version and conformance level (for example WCAG 2.1 AA).
Stakeholders: Record contacts for the product, design, development, content, QA, and legal teams.
Timeline and deliverables: Set milestones for discovery, testing, draft report, remediation, and re‑test.

Gather Assets and Access

Credentials and environments: Secure staging URLs, test accounts, and admin access where needed.
Design artifacts: Collect wireframes, style guides, component libraries, and design tokens.
Content inventory: Export lists of pages, PDFs, images, multimedia, and third‑party embeds.
Assistive technology: Prepare screen readers, magnifiers, alternative input devices, and mobile devices for manual testing.

Define Success Criteria and Risk Model

Acceptance criteria: Map WCAG success criteria to your organization’s pass/fail definitions.
Severity levels: Use a triage system (Critical, Major, Minor) to prioritize remediation.
Legal and business risk: Flag pages with regulatory impact or revenue exposure for immediate attention.
Communication plan: Define reporting format, ticket templates, and who validates fixes before sign‑off.

Automated Testing

Select and run multiple tools

Tool selection: Use at least two automated scanners such as Axe, Lighthouse, and WAVE to increase coverage.
Crawl configuration: Configure crawlers to follow links, handle authentication, and respect robots rules.
Baseline export: Save raw results grouped by page, component, and rule for later triage.

Common automated checks

Missing alt attributes for images.
Invalid or misused ARIA roles, states, or properties.
Missing or incorrect form labels.
Low color contrast warnings.
Missing document language declarations.
Duplicate IDs and invalid HTML semantics.
Focusable elements without visible focus styles.

Limitations and verification

Automated tools typically detect only about 30–50 percent of WCAG issues.
Manually verify automated findings to remove false positives.
Integrate automated checks into CI pipelines to catch regressions early.

Manual Testing

Keyboard accessibility

Verify a logical, predictable tab sequence and visible focus indicators for all interactive elements.
Ensure all features are operable via keyboard alone using Tab, Enter, Space, and Arrow keys.
Test skip links and ARIA landmarks for quick navigation.

Screen reader testing

Test with NVDA on Windows, VoiceOver on macOS and iOS, and TalkBack on Android.
Confirm content is announced in a logical reading order and that headings, lists, and landmarks are meaningful.
Ensure form labels, hints, and error messages are announced and programmatically associated with inputs.
Use ARIA only when native semantics are insufficient and verify live regions announce updates correctly.

Visual and cognitive accessibility

Measure text and UI contrast against WCAG thresholds for normal and large text.
Ensure information is not conveyed by color alone; add icons or text labels where needed.
Check for plain language, clear headings, and predictable navigation.
Verify error prevention and recovery mechanisms, including clear, actionable error messages.

Multimedia and interactive content

Confirm captions for videos and transcripts for audio content.
Provide audio descriptions for essential visual information when required.
Ensure media controls are keyboard accessible and that captions are synchronized.

Forms, dynamic content, and semantics

Ensure label elements are programmatically linked to inputs, and placeholders are not used as labels.
Move focus to errors and announce them via ARIA or native mechanisms.
Use ARIA live regions for dynamic updates and verify announcements with screen readers.
Maintain a logical heading hierarchy and include semantic landmarks such as main and nav.

Mobile and responsive checks

Test across viewport sizes and orientations.
Verify touch targets meet minimum size and spacing guidelines.
Test with mobile screen readers and platform gestures to ensure native accessibility patterns are respected.

Document and PDF accessibility

Ensure PDFs are tagged, have a logical reading order, and include alt text for images.
Provide HTML or other accessible alternatives when possible.

Reporting, Remediation, and Monitoring

Create an actionable audit report

Executive summary: Provide a high‑level compliance status, major risks, and recommended priorities.
Detailed findings: For each issue include page URL, element selector, WCAG criterion, severity, reproduction steps, and suggested fix.
Evidence: Attach annotated screenshots, screen reader audio clips, and short video captures where helpful.
Code examples: Offer sample code snippets or component fixes to accelerate developer implementation.

Prioritize and hand off fixes

Quick wins: Address low‑effort, high‑impact items first such as missing alt text, labels, and contrast issues.
Critical flows: Prioritize login, checkout, and legal pages.
Component remediation: Fix shared components in the design system to prevent repeated issues.
Developer support: Provide ticket templates with acceptance criteria and offer pairing sessions for complex fixes.

Verification and re‑testing

Re‑run automated scans and manual checks after remediation.
Confirm each ticket meets the defined WCAG pass criteria before closing.
Obtain stakeholder sign‑off and update compliance documentation.

Ongoing monitoring

Integrate accessibility checks into the software development lifecycle with pre‑merge tests and release sign‑offs.
Include people with disabilities in usability testing and maintain accessible feedback channels.
Schedule periodic audits and track metrics such as remediation velocity, recurring issue types, and accessibility debt.

✅ Conclusion

Ananyoo provides comprehensive web accessibility audits that combine automated scans, manual testing, and user validation to identify barriers and prioritize fixes. Ananyoo helps organizations reduce legal risk, improve usability, and promote inclusive design by embedding accessibility into design systems, CI pipelines, training, and ongoing testing for measurable, continuously sustained improvement.

Learn more at ananyoo.com.

Complete Web Accessibility Audit Checklist for WCAG Compliance