Facebook Instant Articles markup from json-ld
node index.js <url>
Enabling Rich Snippets for Articles
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "NewsArticle",
"mainEntityOfPage":{
"@type":"WebPage",
"@id":"https://google.com/article"
},
"headline": "Article headline",
"image": {
"@type": "ImageObject",
"url": "https://google.com/thumbnail1.jpg",
"height": 800,
"width": 800
},
"datePublished": "2015-02-05T08:00:00+08:00",
"dateModified": "2015-02-05T09:20:00+08:00",
"author": {
"@type": "Person",
"name": "John Doe"
},
"publisher": {
"@type": "Organization",
"name": "Google",
"logo": {
"@type": "ImageObject",
"url": "https://google.com/logo.jpg",
"width": 600,
"height": 60
}
},
"description": "A most wonderful article"
}
</script>