accessibility tree
An accessibility tree is a browser-generated representation of interface elements and their properties for assistive technology.
An accessibility tree is a browser-generated representation of an interface’s elements, including their roles, names, states and hierarchy. Unlike the DOM, which represents document nodes, it focuses on information that assistive technologies such as screen readers need to interpret an interface.
AI agents that interact with web pages can use the accessibility tree to identify controls such as buttons and input fields.
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Articles covering this entry
…on the document object model, or DOM—the page structure software can inspect—and the accessibility tree, which describes page elements to assistive technology.