Website Accessibility Basics: An ADA Compliance Checklist Every Small Online Business Needs

ADA lawsuits targeting small e-commerce sites are rising fast. Here is a plain-English checklist to make your website more accessible — and more defensible — starting today.

· 5 min read
Website Accessibility Basics: An ADA Compliance Checklist Every Small Online Business Needs

If you run a small online store or service business, you have probably heard something about ADA compliance for websites — maybe from a news article, or worse, from a demand letter landing in your inbox. The number of web accessibility lawsuits filed against small businesses has climbed steadily every year, and plaintiffs' attorneys increasingly target e-commerce and service sites precisely because many owners assume the rules only apply to large corporations. They do not. But here is the reassuring part: getting meaningfully accessible is not as complicated or expensive as it sounds, and the same improvements that reduce legal risk also make your site faster, easier to use, and better ranked in search.

Why This Matters Right Now

Roughly 1 in 4 U.S. adults lives with some form of disability. Screen reader usage has grown year over year, and a meaningful share of everyday shoppers rely on keyboard navigation due to motor impairments or personal preference. Beyond that audience, Google's crawlers behave a lot like screen readers — they read text, follow links, and interpret heading structure. Accessible design and good SEO are two sides of the same coin.

The practical compliance target is WCAG 2.1 Level AA — the Web Content Accessibility Guidelines published by the W3C. No single certification makes a site "fully ADA compliant," but documenting your efforts to meet WCAG 2.1 AA is the standard courts and regulators reference most often.

Your Self-Audit Checklist

Work through the items below on your own — no consultant required for a first pass.

Images and Media

  • Add alt text to every meaningful image. Describe what the image shows in a sentence or less. Decorative images (dividers, background textures) should have an empty alt attribute (alt="") so screen readers skip them.
  • Provide captions or transcripts for any video or audio content. YouTube's auto-caption tool is a free starting point — just review it for accuracy.
  • Turn off auto-playing audio or video. Auto-play disorients screen reader users and frustrates everyone else.

Color and Typography

  • Check color contrast. Body text needs a contrast ratio of at least 4.5:1 against its background; large text (18pt+) needs 3:1. Use the free WebAIM Contrast Checker to test any color pair in seconds.
  • Ensure your layout stays intact when a browser's text is zoomed to 200%. If columns collapse or buttons disappear, your CSS needs a fix.

Navigation and Keyboard Access

  • Tab through your entire site using only a keyboard. Every link, button, and form field must be reachable and operable without a mouse.
  • Make focus states visible. The blue outline that appears when an element is focused should never be hidden with outline: none unless you replace it with a clearly visible custom style.
  • Write descriptive link text. Replace generic phrases like "click here" or "read more" with text that describes the destination, such as "View our return policy" or "Download the sizing guide." Screen readers read links out of context.

Heading Structure and Page Organization

  • Use headings in logical order: one H1 per page (the main title), H2 for major sections, H3 for sub-points. Never skip levels or use headings just to make text bigger.
  • Add a skip navigation link at the very top of each page so keyboard users can jump past your main menu directly to the content.

Forms

  • Every input field — name, email, phone, checkout fields — must have a visible, programmatically associated label. Placeholder text alone does not count; it disappears when the user starts typing.
  • Display clear error messages in text (not just red color) when a form submission fails. Explain what went wrong and how to fix it.

Free Tools to Run Your Own Audit

  1. WAVE (wave.webaim.org) — paste any URL and get a visual overlay of errors and warnings directly on your page.
  2. axe DevTools — a free browser extension (Chrome/Firefox) that flags WCAG violations with plain-English explanations.
  3. Google Lighthouse — open Chrome DevTools, click the Lighthouse tab, and run an accessibility audit. Aim for a score above 90.

Automated tools catch roughly 30–40% of WCAG issues. They are a great starting point, but always supplement them with a manual keyboard walkthrough and, ideally, feedback from a real user who relies on assistive technology.

How to Prioritize When You Are on a Tight Budget

You do not need to fix everything at once. Tackle issues in this order:

  1. Critical barriers — anything that prevents a user from completing a purchase or contacting you (broken keyboard navigation, unlabeled checkout forms, missing error messages).
  2. High-visibility content — your homepage, product or service pages, and contact page. Fix alt text and contrast here first.
  3. Everything else — blog posts, archived pages, and edge-case interactions can follow in subsequent sprints.

"The ADA's requirements apply to all the goods, services, privileges, or activities offered by public accommodations, including those offered on the web."

— U.S. Department of Justice, 2022 Web Accessibility Guidance

Build a Quarterly Review Habit

Accessibility is not a one-time project — new pages get added, plugins update, and design changes can quietly break things. Block 30 minutes at the start of each quarter to run WAVE or Lighthouse on your top five pages, tab through your checkout or booking flow, and check that any new images have alt text. That simple rhythm keeps issues from piling up and documents a good-faith effort — which matters if you ever receive a demand letter.

The goal is not legal perfection — no certification achieves that — it is genuine usability for every visitor who lands on your site. Start with the checklist above, fix the highest-impact items first, and build the review habit. Most small business owners who go through this process are surprised by how manageable it is, and by how much cleaner and faster their site feels on the other side.

Get Your Free Site Accessibility Audit