Audit the accessibility tree, not only the Lighthouse a11y score
This story is from 2026-09-13. It is preserved in the archive; the latest stories are on the live feed.
The accessibility tree is the structured layer the browser builds from the DOM: roles, names, and states that assistive technology has used for decades. Screen readers walk it. Playwright can snapshot it. Agentic browsing tools that refuse to read pixels lean on it as well. That is a different arte…
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- 2026-09-13 07:30 · DEV Community — AI
Audit the accessibility tree, not only the Lighthouse a11y score