{
  "schemaVersion": "crawler-atlas-1",
  "atlasVersion": "atlas-2026-07-28-v1",
  "canonical": "/atlas/breadcrumbs",
  "title": "Breadcrumb structure",
  "category": {
    "slug": "structure",
    "title": "Content structure for machines"
  },
  "definition": "Breadcrumbs expose a page’s location in an information hierarchy.",
  "mechanism": "Crawlable breadcrumb links strengthen category paths, while matching BreadcrumbList structured data gives machines an explicit ordered trail.",
  "validation": "Verify that every breadcrumb URL resolves, uses the preferred canonical, and matches the hierarchy represented by navigation and content.",
  "commonFailure": "Generating breadcrumbs from arbitrary URL segments can publish meaningless labels and nonexistent parent pages.",
  "related": [
    "/atlas/structured-data",
    "/atlas/pagination"
  ],
  "modified": "2026-07-28"
}