{
  "@context": "https://schema.org",
  "@id": "https://webspecification.com/spec/foundations/canonical-url.jsonld",
  "@graph": [
    {
      "@type": "TechArticle",
      "@id": "https://webspecification.com/spec/foundations/canonical-url/#article",
      "headline": "Canonical URL (rel=\"canonical\")",
      "description": "Declare the preferred URL for a page so search engines and crawlers consolidate ranking signals on one address, even when several URLs serve the same content.",
      "url": "https://webspecification.com/spec/foundations/canonical-url/",
      "inLanguage": "en",
      "isPartOf": {
        "@type": "WebSite",
        "@id": "https://webspecification.com/#website",
        "name": "Web Specification Studio",
        "url": "https://webspecification.com"
      },
      "author": {
        "@type": "Person",
        "name": "Web Specification Studio",
        "url": "https://webspecification.com"
      },
      "publisher": {
        "@type": "Organization",
        "@id": "https://webspecification.com/#organization",
        "name": "Web Specification Studio",
        "url": "https://webspecification.com"
      },
      "license": "https://creativecommons.org/licenses/by/4.0/",
      "dateModified": "2026-07-09T00:00:00.000Z",
      "citation": [
        {
          "@type": "CreativeWork",
          "name": "RFC 6596 — The Canonical Link Relation",
          "url": "https://www.rfc-editor.org/rfc/rfc6596",
          "publisher": {
            "@type": "Organization",
            "name": "IETF"
          }
        },
        {
          "@type": "CreativeWork",
          "name": "MDN — rel=canonical",
          "url": "https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes/rel#canonical",
          "publisher": {
            "@type": "Organization",
            "name": "MDN"
          }
        },
        {
          "@type": "CreativeWork",
          "name": "Google — Consolidate duplicate URLs with canonicals",
          "url": "https://developers.google.com/search/docs/crawling-indexing/consolidate-duplicate-urls",
          "publisher": {
            "@type": "Organization",
            "name": "Google Search Central"
          }
        },
        {
          "@type": "CreativeWork",
          "name": "HTML Living Standard — Link types: canonical",
          "url": "https://html.spec.whatwg.org/multipage/links.html#link-type-canonical",
          "publisher": {
            "@type": "Organization",
            "name": "WHATWG"
          }
        }
      ]
    },
    {
      "@type": "BreadcrumbList",
      "@id": "https://webspecification.com/spec/foundations/canonical-url/#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://webspecification.com/"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Spec",
          "item": "https://webspecification.com/spec/"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Foundations",
          "item": "https://webspecification.com/spec/foundations/"
        },
        {
          "@type": "ListItem",
          "position": 4,
          "name": "Canonical URL (rel=\"canonical\")",
          "item": "https://webspecification.com/spec/foundations/canonical-url/"
        }
      ]
    }
  ]
}