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browser_get_accessibility_tree

Get the accessibility tree of the page for a11y analysis.

Parameters

ParameterTypeRequiredDescription
sessionIdstringYesSession ID from browser_navigate

Example

Get the accessibility tree to check if our form is properly labeled

Response

Returns a structured accessibility tree with:

  • Role — button, link, heading, textbox, etc.
  • Name — accessible name of each element
  • Level — heading level (h1–h6)
  • State — checked, disabled, expanded, etc.

Notes

  • Essential for accessibility audits and WCAG compliance checking
  • Helps identify missing labels, incorrect roles, and navigation issues
  • Works with ARIA attributes and semantic HTML

browser_get_html

Get the HTML source of the current page or a specific element.

browser_evaluate

Run JavaScript in the browser page and return the result as text.

On this page

ParametersExampleResponseNotes