Web Accessibility & ADA Compliance: A Practical Checklist for Businesses

If your business website is difficult to navigate for individuals with disabilities, you are actively turning away customers and exposing your organization to significant legal risk.

The legal field surrounding digital accessibility has grown increasingly strict. Under Title III of the Americans with Disabilities Act (ADA), business websites are widely recognized by federal courts as places of public accommodation. In recent years, federal ADA Title III web accessibility lawsuits have surged, with thousands of claims filed annually against businesses of all sizes.

Despite these risks, the WebAIM Million report consistently finds that over 95% of homepages test positive for detectable Web Content Accessibility Guidelines (WCAG) failures. The most common culprits are not complex engineering oversights; they are fundamental design and development flaws like low color contrast, missing alt text, and broken keyboard navigation.

This guide provides a practical, actionable checklist based on the WCAG 2.2 Level AA standards, the current international benchmark for digital accessibility.

The Four Pillars of Web Accessibility (POUR)

The Web Content Accessibility Guidelines are built upon four core principles. To be truly accessible, your website must be:

• Perceivable: Users must be able to identify content and interface elements through sight, sound, or touch.
• Operable: Interactive controls, buttons, and navigation must be operable with a variety of input devices, including keyboards and assistive switches.
• Understandable: Information and the operation of the user interface must be logical, predictable, and clear.
• Robust: Content must be built using clean, semantic standards so it can be reliably interpreted by a wide variety of user agents, including screen readers.

The 2026 Business Website Accessibility Checklist

1. Visual Design & Color Contrast

Design aesthetics should never compromise legibility. Accessible visual design relies on consistent math and perceptual science.

• Enforce a 4.5:1 Minimum Contrast Ratio: Standard body text must maintain at least a 4.5:1 contrast ratio against its background. Large text (18pt and above, or 14pt bold) requires a minimum ratio of 3:1. Utilizing perceptually uniform color palettes ensures that contrast remains consistent across different lighting environments and screen displays.
• Never Rely on Color Alone: Do not use color as the sole indicator for functionality or meaning. For example, error messages should not simply turn red; they must also include descriptive text or iconography indicating the error.
• Provide Visible Focus Indicators: When a user navigates via keyboard, the active link, form field, or button must display a clear, highly visible outline or style change. Under WCAG 2.2, this focus indicator must never be entirely obscured by overlapping content like sticky headers.
• Support 200% Text Resizing: Users must be able to zoom in or scale body text up to 200% without breaking the page layout, overlapping text, or hiding form controls.

2. Code & Keyboard Navigation

Accessibility is rooted in how a site is engineered under the hood. Bloated drag-and-drop website builders often inject excessive, nested <div> tags that confuse assistive technologies, whereas clean, custom-coded architectures provide clear pathways for screen readers.

• Ensure 100% Keyboard Operability: Every interactive element—menus, modal pop-ups, form submissions, and video players—must be accessible using only the Tab, Shift + Tab, Enter, and Arrow keys.
• Eliminate Keyboard Traps: Users must be able to navigate into and out of any interface component without getting stuck. Third-party widgets and custom pop-ups are frequent offenders here.
• Use Semantic HTML Structure: Rely on proper native HTML tags (<header>, <nav>, <main>, <button>, <a>) rather than styling generic HTML elements to look like buttons or links. Native elements carry built-in accessibility properties that screen readers recognize immediately.
• Implement Logical Heading Hierarchy: Structure your pages sequentially using H1, H2, H3, and H4 tags. Never skip heading levels simply for visual sizing purposes.
• Eliminate Complex Dragging Motions: To meet WCAG 2.2 standards, any interface that requires dragging (such as sliders or drag-and-drop lists) must also offer a simple single-click or tap alternative for users with motor control limitations.

3. Content, Forms & Media

How you present information is just as vital as the code supporting it.

• Write Descriptive Image Alt Text: All informative images must include descriptive alternative text explaining the context and function of the image. Decorative images (background patterns or spacers) should use an empty alt attribute (alt="") so assistive tools skip them programmatically.
• Include Closed Captions and Transcripts: All pre-recorded video content with audio must include synchronized, accurate closed captions. Audio-only media, like podcasts, must provide text transcripts.
• Label All Form Inputs Programmatically: Placeholders inside text boxes do not replace permanent form labels. Every form field must have a permanent, associated <label> element in the code.
• Provide Clear Error Suggestions: If a user makes a mistake on a contact or checkout form, the system must clearly identify the error in text and offer instructions on how to fix it (e.g., “Please enter a valid email address including an @ symbol”).
• Prevent Autoplay and Motion Triggers: Users must be able to pause, stop, or hide any moving, blinking, or auto-playing content that lasts longer than three seconds. Never include content that flashes more than three times per second, as this can trigger photosensitive seizures.

How to Conduct an Accessibility Audit

Achieving compliance is not a one-time project; it requires ongoing governance. To evaluate your current digital footprint, use a three-step testing model:

1. Automated Scanning: Run initial scans using tools like WAVE, Axe, or Google Lighthouse. Automated tools are excellent for catching missing alt tags, syntax errors, and obvious contrast failures, though they typically only catch about 30% to 40% of total accessibility issues.
2. Manual Keyboard Testing: Unplug your mouse and attempt to navigate your entire website using only your keyboard. Can you reach the contact form? Can you exit dropdown menus easily? Is your focus indicator visible at every step?
3. Assistive Technology Review: Test your primary user journeys (such as submitting an inquiry or completing a checkout) using industry-standard screen readers like NVDA (Windows), VoiceOver (Apple), or JAWS.

Accessibility is Custom Engineering

Attempting to retrofit accessibility onto a rigid, bloated template is often more expensive and frustrating than building it correctly from the start. Automated “accessibility overlay” plugins often promise instant compliance with a line of JavaScript, but federal courts and accessibility advocates have repeatedly noted that these tools fail to address core structural code defects.

True digital inclusion requires clean, performant engineering, thoughtful UI design, and rigorous standards. By treating web accessibility as a core quality metric rather than an afterthought, your business opens its doors to a wider audience while solidifying its reputation for professional excellence.

Is your website meeting modern accessibility standards? Haketi designs and engineers custom, high-performance web solutions built for accessibility, speed, and long-term growth. Contact our team in Louisiana today for a comprehensive technical audit.