axe-core/lib/checks/keyboard/focusable-element.json

Accessibility engine for automated Web UI testing

{
  "id": "focusable-element",
  "evaluate": "focusable-element-evaluate",
  "metadata": {
    "impact": "moderate",
    "messages": {
      "pass": "Element is focusable",
      "fail": "Element should be focusable"
    }
  }
}