axe-core/lib/checks/aria/fallbackrole.json

Accessibility engine for automated Web UI testing

{
  "id": "fallbackrole",
  "evaluate": "fallbackrole-evaluate",
  "metadata": {
    "impact": "serious",
    "messages": {
      "pass": "Only one role value used",
      "fail": "Use only one role value, since fallback roles are not supported in older browsers"
    }
  }
}