WCAG & Standards

What is WCAG?

WCAG stands for the Web Content Accessibility Guidelines. These guidelines are developed by the World Wide Web Consortium (W3C) and are widely used as the leading technical framework for evaluating website accessibility.

WCAG is designed to make digital content more accessible to individuals with disabilities, including users who rely on screen readers, keyboard navigation, captions, color contrast, and other accessibility supports.

The Four Core Principles of WCAG

WCAG is organized around four foundational principles. Digital content should be:

• Perceivable — information and interface components must be presented in ways users can perceive
• Operable — interface components and navigation must be usable through different input methods, including keyboard access
• Understandable — information and operation of the interface should be clear and predictable
• Robust — content should be compatible with assistive technologies and current user agents

WCAG Conformance Levels

WCAG includes three levels of conformance:

• Level A — the minimum level of accessibility coverage
• Level AA — the most commonly referenced and practical standard for business websites
• Level AAA — a more advanced level that is not always practical or applicable across all content types

In most business and risk-awareness contexts, WCAG 2.1 AA or WCAG 2.2 AA is commonly used as the practical benchmark for review.

WCAG 2.1 vs. WCAG 2.2

WCAG 2.2 builds on WCAG 2.1 and includes additional success criteria intended to improve accessibility for users with cognitive disabilities, low vision, and limited mobility.

ADA Audit Services generally evaluates websites with attention to current best practices and may reference WCAG 2.2 AA where appropriate as part of a modern accessibility review.

ADA and Accessibility Standards

The Americans with Disabilities Act (ADA) does not itself contain a single detailed technical web checklist. However, WCAG is commonly referenced in accessibility discussions, audits, settlements, and remediation work as a practical technical benchmark.

For this reason, WCAG-based review is often used to identify common accessibility gaps and prioritize remediation efforts.

This does not mean that passing a checklist automatically guarantees legal compliance, nor does it mean that every issue creates the same level of business risk. Accessibility review should always be considered as part of a broader compliance and risk management process.

Automated and Manual Testing

Meaningful accessibility review typically involves both automated and manual evaluation.

• Automated testing can quickly identify many common issues such as missing alternative text, form labeling gaps, contrast concerns, and structural markup errors
• Manual testing is important for reviewing keyboard access, reading order, focus behavior, link clarity, form usability, screen reader experience, and overall accessibility patterns that automation may miss

ADA Audit Services uses both practical review methods and standards-based analysis to identify patterns that may indicate accessibility gaps.

VPATs and Accessibility Documentation

In some contexts, organizations also use documentation such as a Voluntary Product Accessibility Template (VPAT) to describe how a digital product aligns with accessibility criteria.

A VPAT can be part of a broader accessibility documentation strategy, especially for organizations serving enterprise, government, procurement, or institutional buyers.

Ongoing Monitoring Matters

Accessibility is not a one-time event. Websites change over time as content, plugins, code, media, and design elements evolve.

For that reason, businesses often benefit from ongoing accessibility monitoring, periodic audits, training, and documentation practices rather than relying on a single one-time review.

Important Disclaimer

Information on this page is provided for general educational and business awareness purposes only. It is not legal advice and should not be relied upon as a legal determination of compliance.

Businesses should consult qualified legal counsel and accessibility professionals regarding their specific obligations, risks, and remediation priorities.

Contact Information

If you have questions about the standards referenced on this page or would like to request an accessibility review, please contact:

ADA Audit Services

Email: info@adaauditservices.com