Give search engines a clear page path.

{
  "@context": "https://schema.org",
  "@type": "BreadcrumbList",
  "itemListElement": [
    {
      "@type": "ListItem",
      "position": 1,
      "name": "Home",
      "item": "https://example.com/"
    },
    {
      "@type": "ListItem",
      "position": 2,
      "name": "Services",
      "item": "https://example.com/services"
    },
    {
      "@type": "ListItem",
      "position": 3,
      "name": "Current page",
      "item": "https://example.com/services/current-page"
    }
  ]
}