PUBLISHED ON 2026-02-08

How to Make Your Website ADA and WCAG Compliant: A Practical Guide

In 2026, web accessibility is no longer optional. A growing number of lawsuits, regulations, and industry standards require websites to be accessible to people with disabilities. The two key frameworks you need to understand are the ADA (Americans with Disabilities Act) and WCAG (Web Content Accessibility Guidelines).

What is the ADA?

The Americans with Disabilities Act is a civil rights law that prohibits discrimination against individuals with disabilities. While it was originally written for physical spaces, courts have increasingly interpreted it to apply to websites and digital services. In recent years, ADA-related website lawsuits have surged, with over 4,000 cases filed annually in the US alone.

What is WCAG?

The Web Content Accessibility Guidelines are the internationally recognized standards for web accessibility. Published by the W3C (World Wide Web Consortium), WCAG provides specific, testable criteria organized into three levels:

Level A: The minimum level of accessibility. Addresses the most critical barriers.
Level AA: The standard target for most organizations. Addresses the major barriers that affect the largest number of users.
Level AAA: The highest level. Addresses more specialized needs. Not typically required.

Most regulations and best practices target WCAG 2.1 Level AA compliance.

The Four Principles of WCAG (POUR)

WCAG is built on four fundamental principles. All web content must be:

1. Perceivable

Users must be able to perceive the information being presented. This means:

All images must have descriptive alt text.
Videos should have captions and transcripts.
Text should have sufficient color contrast against backgrounds (at least 4.5:1 ratio for normal text).
Content should be readable when text is resized up to 200%.

2. Operable

Users must be able to operate the interface. This includes:

All functionality must be accessible via keyboard only (no mouse required).
Users should have enough time to read and interact with content.
Content should not cause seizures (avoid flashing content more than 3 times per second).
Provide clear navigation mechanisms and page structure.

3. Understandable

The content and interface must be understandable:

Use clear, simple language appropriate for your audience.
Make your site behave predictably — no unexpected changes in context.
Provide error identification and suggestions when users make mistakes in forms.
Label form fields clearly.

4. Robust

Content must be robust enough for various user agents and assistive technologies:

Use valid, semantic HTML.
Ensure compatibility with screen readers and other assistive technologies.
Use proper ARIA attributes when standard HTML semantics are insufficient.

Quick Wins for Accessibility

Run an automated accessibility audit using tools like Lighthouse, axe, or WAVE.
Test your entire site using only a keyboard (Tab, Enter, Space, Arrow keys).
Check color contrast ratios with a contrast checker tool.
Add alt text to every meaningful image.
Ensure all forms have proper labels and error handling.
Add skip navigation links for keyboard users.
Publish an accessibility statement on your website.

Create Your Accessibility Statement

An accessibility statement shows your commitment to inclusion and outlines your accessibility efforts. Use our Free Accessibility Statement Generator to create a professional statement for your website.