{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "/common/head.json",
    "description": "Page metadata configurations",
    "type": "object",
    "properties": {
        "favicon": {
            "type": "string",
            "description": "URL or path to the website's icon",
            "default": "/img/favicon.svg",
            "nullable": true
        },
        "canonical_url": {
            "type": "string",
            "description": "Canonical URL of the current page",
            "nullable": true
        },
        "open_graph": {
            "$ref": "/misc/open_graph.json"
        },
        "structured_data": {
            "$ref": "/misc/structured_data.json"
        },
        "meta": {
            "$ref": "/misc/meta.json"
        },
        "rss": {
            "type": "string",
            "description": "URL or path to the website's RSS atom.xml",
            "nullable": true
        }
    }
}