axe-core/lib/checks/shared/non-empty-alt.json

Accessibility engine for automated Web UI testing

{
  "id": "non-empty-alt",
  "evaluate": "non-empty-alt.js",
  "metadata": {
    "impact": "critical",
    "messages": {
      "pass": "Element has a non-empty alt attribute",
      "fail": "Element has no alt attribute or the alt attribute is empty"
    }
  }
}