How to Make Your Online Checkout Accessible (And Stop Losing Customers)

Your online store’s checkout is where money changes hands. It is also where most accessibility failures happen. If a customer cannot complete a purchase because your form traps their keyboard, hides error messages from screen readers, or requires mouse-only interactions, you have lost a sale — and possibly gained a legal complaint.

An estimated 1.3 billion people worldwide live with some form of disability. In the United States alone, people with disabilities control over $490 billion in disposable income. When your checkout is inaccessible, you are not just excluding a small group. You are shutting the door on a massive market segment that wants to buy from you.

This guide walks you through the most common checkout accessibility problems and how to fix them, no developer jargon required.

Why Checkout Accessibility Matters More Than Ever

The European Accessibility Act (EAA), which took effect in June 2025, requires all e-commerce services sold to EU customers to meet accessibility standards. This applies regardless of where your business is based. If you sell to European customers, your checkout must be accessible.

In the United States, ADA lawsuits targeting e-commerce sites have increased year over year, with checkout flows being one of the most frequently cited barriers. Courts have consistently ruled that online stores are places of public accommodation subject to ADA requirements.

Beyond legal risk, inaccessible checkouts directly hurt your bottom line. Cart abandonment rates already hover around 70% for the general population. For users with disabilities facing additional barriers, abandonment rates are significantly higher. Every accessibility fix you make to your checkout reduces friction for all customers, not just those using assistive technology.

Problem 1: Keyboard Users Cannot Navigate Your Checkout

Many e-commerce sites use custom-styled form elements, modal dialogs, and multi-step wizards that break keyboard navigation. A customer who relies on a keyboard (because of a motor impairment, repetitive strain injury, or personal preference) may find themselves unable to tab between fields, select shipping options, or reach the “Place Order” button.

What to check

Open your checkout page and put your mouse aside. Try completing an entire purchase using only the Tab key, Enter key, and arrow keys. Ask yourself:

  • Can you reach every field, dropdown, and button by pressing Tab?
  • Can you see which element currently has focus (a visible outline or highlight)?
  • Can you open dropdown menus and select options using arrow keys?
  • Can you navigate through multi-step checkout without getting stuck?
  • Can you dismiss any pop-ups or modals by pressing Escape?

How to fix it

If you are using a platform like Shopify or WooCommerce, most keyboard navigation issues come from third-party themes or plugins. Switch to a theme that advertises accessibility support and test again. Remove or replace any plugin that creates keyboard traps.

If you have custom-built elements, ensure all interactive components are built on native HTML elements (button, select, input) whenever possible. Native elements come with keyboard support built in. Custom widgets need explicit keyboard event handlers and ARIA attributes.

Problem 2: Form Errors Are Invisible to Screen Readers

When a customer enters an invalid credit card number or forgets a required field, your checkout probably shows a red error message somewhere on the page. But if that error message is not programmatically connected to the form field, screen reader users will never hear it. They will keep pressing the submit button wondering why nothing is happening.

What to check

Fill out your checkout form with intentional mistakes — leave required fields empty, enter an invalid email, type letters in the phone field. Then observe:

  • Does the error message appear next to the field that has the problem?
  • If using a screen reader, is the error announced when it appears?
  • Does focus move to the first field with an error?
  • Is the error text specific (“Please enter a valid email address”) rather than vague (“There was an error”)?

How to fix it

Each error message should be linked to its form field using the aria-describedby attribute. When errors appear, the field should also be marked with aria-invalid="true". For the best experience, move focus to the first field with an error after a failed submission attempt, so screen reader users immediately hear what went wrong.

If you use Shopify, the default checkout handles most of this correctly. WooCommerce sites should ensure their theme’s validation scripts include these ARIA attributes. For custom checkouts, add an aria-live="polite" region near the top of the form that summarizes all errors when submission fails.

Problem 3: Payment Forms Are in Inaccessible Iframes

Many payment processors (Stripe, Square, Braintree) load credit card fields inside iframes for security. While this is a sound security practice, some implementations create accessibility barriers because the iframe content has poor labeling, missing focus management, or contrast issues that you cannot fix from your side.

What to check

Tab into the payment section of your checkout. Can you reach the card number, expiration date, and CVV fields? Are the fields labeled so a screen reader announces what each one expects? Is the text inside the payment fields readable against the background?

How to fix it

Most major payment processors now offer accessible versions of their embedded forms. Stripe Elements, for example, includes ARIA labels and keyboard support by default. Make sure you are using the latest version of your payment provider’s SDK. If you are using an outdated integration, upgrading may fix accessibility issues automatically.

When configuring embedded payment fields, ensure you pass accessible styling options. Set font sizes to at least 16px (which also prevents iOS zoom on focus), use high-contrast colors, and provide visible labels outside the iframe that describe what information goes where.

Problem 4: Address Autocomplete Does Not Work

Address forms that do not use the HTML autocomplete attribute force users to manually type their full address every time. This is a nuisance for everyone but a genuine barrier for users with motor impairments or cognitive disabilities who struggle with extensive typing.

What to check

Start your checkout and see if your browser offers to autofill your address fields. If it does not, the autocomplete attributes are likely missing.

How to fix it

Add the appropriate autocomplete values to your address fields. Here are the most important ones:

  • Full name: autocomplete="name"
  • Email: autocomplete="email"
  • Phone: autocomplete="tel"
  • Street address: autocomplete="address-line1"
  • City: autocomplete="address-level2"
  • State/Province: autocomplete="address-level1"
  • Postal code: autocomplete="postal-code"
  • Country: autocomplete="country"

This is one of the easiest accessibility wins. It takes minutes to implement and benefits every single customer.

Problem 5: Order Summary Is Not Accessible

Before placing an order, customers need to review what they are buying, shipping costs, and the total. If your order summary is built with a layout that screen readers cannot parse — using CSS Grid or Flexbox with visual-only alignment instead of proper data structures — assistive technology users cannot verify their order before paying.

What to check

Use a screen reader to navigate your order summary section. Can you hear the product name, quantity, price, and total in a logical order? Does the information make sense without seeing the visual layout?

How to fix it

Structure your order summary as either a data table (with proper th and td elements) or a definition list. Each line item should clearly associate the product name with its quantity and price. The order total, tax, and shipping should be clearly labeled.

If your order summary updates dynamically (for example, when a promo code is applied), wrap the total in an aria-live="polite" region so screen reader users are informed when the amount changes.

Problem 6: Time Limits Kill Incomplete Transactions

Some checkout flows expire the session or release reserved inventory after a set time. If a user with a disability needs more time to complete the form — because they are using a screen reader, switch device, or voice control — they may lose their cart without warning.

What to check

Does your checkout have a countdown timer? What happens when it expires? Is the user warned before the session times out? Can they extend the time?

How to fix it

WCAG requires that users can turn off, adjust, or extend time limits. If your checkout must have a timeout for inventory management, warn the user at least 20 seconds before the session expires and give them the option to extend it. A simple “You have 2 minutes remaining. Need more time?” dialog with a button to extend is sufficient.

Your Checkout Accessibility Checklist

Use this quick checklist to audit your checkout:

  • The entire checkout can be completed using only a keyboard
  • A visible focus indicator is present on every interactive element
  • All form fields have visible labels (not just placeholder text)
  • Error messages are specific and linked to the field that has the problem
  • Screen readers announce errors when they appear
  • Address fields use autocomplete attributes
  • Payment fields are keyboard-accessible and labeled
  • The order summary is structured so screen readers can parse it
  • Color contrast meets the 4.5:1 ratio for text and 3:1 for interactive elements
  • Session timeouts can be extended by the user

What to Do Next

You do not need to fix everything at once. Start with the checkout itself — it is where accessibility barriers cost you the most money. Work through the checklist above, test with a keyboard, and run a free scan with a tool like WAVE or axe DevTools.

If you want help identifying issues across your entire site, not just the checkout, we are building a tool for exactly that.

We’re building a simple accessibility checker for non-developers — no DevTools, no jargon. Join our waitlist to get early access.