Does a headless storefront change your ADA compliance risk?

Yes, and usually for the worse at first. Going headless removes theme guardrails, so focus management, announcements, and semantic structure must be rebuilt by hand, and deploys break them quietly. The legal standard does not change: WCAG 2.2 AA applies to whatever customers can reach. The practical answer is monitoring that keys off deploys and covers every surface you run.

Why headless stores regress faster

A mature Shopify theme ships with accessibility work baked in: skip links, focus states, landmark structure. A custom front end starts from zero, and framework tooling gives you nothing for free. Every production deploy can alter focus order, announcement behavior, or semantics, and standard QA rarely exercises a screen reader or keyboard-only path through the purchase flow.

The multi-surface problem

Brands rarely run one surface. A theme store plus a headless flagship, regional storefronts, or a migration with old and new stacks side by side: a plaintiff tests whichever surface they find first. Risk is counted per brand, not per stack, so the evidence and the watch have to span everything a customer can reach, with one baseline and one report.

What monitoring looks like on a modern stack

The watch keys off deployments instead of theme publishes: each deploy triggers a rescan of affected routes in a real browser context, exercising modals and dynamic states the way assistive technology users hit them. Failures are diffed against the last clean baseline and tied to the responsible release, so a regression becomes a ticket with a cause, not a mystery found in a demand letter.