Schema Org Web Page

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "type": "object",
  "name": "WebPage",
  "description": "A web page. Every web page is implicitly assumed to be declared to be of type WebPage.",
  "properties": {
    "type": { "type": "string" },
    "context": { "type": "string" },
    "name": { "type": "string" },
    "description": { "type": "string" },
    "url": { "type": "string" },
    "lastReviewed": { "type": "date" },
    "primaryImageOfPage": { "type": { "$ref": "schema-org-image-object.json" } },
    "breadcrumb": { "type": { "$ref": "schema-org-breadcrumb-list.json" } },
    "mainEntity": { "type": "string" },
    "significantLink": { "type": "array", "items": { "type": "string" } },
    "speakable": { "type": { "$ref": "#/definitions/SpeakableSpecification" } },
    "specialty": { "type": "string" },
    "relatedLink": { "type": "array", "items": { "type": "string" } },
    "reviewedBy": { "type": { "$ref": "schema-org-organization.json" } },
    "author": { "type": { "$ref": "schema-org-person.json" } },
    "publisher": { "type": { "$ref": "schema-org-organization.json" } },
    "datePublished": { "type": "date" },
    "dateModified": { "type": "date" },
    "inLanguage": { "type": "string" },
    "isPartOf": { "type": { "$ref": "schema-org-web-site.json" } },
    "sameAs": { "type": "array", "items": { "type": "string" } }
  },
  "required": ["name"],
  "definitions": {
    "SpeakableSpecification": {
      "type": "object",
      "name": "SpeakableSpecification",
      "properties": {
        "type": { "type": "string" },
        "cssSelector": { "type": "array", "items": { "type": "string" } },
        "xpath": { "type": "array", "items": { "type": "string" } }
      }
    }
  }
}