product-head.liquid

<meta itemprop="name" content="{{ product.title }}{% unless product.has_only_default_variant %} - {{ current_variant.title }}{% endunless %}">
<meta itemprop="url" content="{{ shop.url }}{{ current_variant.url }}">
<meta itemprop="brand" content="{{ product.vendor }}">
<meta itemprop="image" content="{{ featured_image | img_url: '600x600' }}">
<meta itemprop="description" content="{{ product.description | strip_html | escape }}">

<script type="application/ld+json">
  {
    "@context": "http://schema.org/",
    "@type": "Product",
    "name": "{{ product.title }}",
    "url": "{{ shop.url }}{{ current_variant.url }}",
    "image": "{{ featured_image | img_url: '600x600' }}",
    "description": "{{ product.description | strip_html | escape }}",
    "brand": {
      "@type": "Thing",
      "name": "{{ product.vendor }}"
    },
    "offers": [
      {
        "@type": "Offer",
        "availability": "http://schema.org/{% if current_variant.available %}InStock{% else %}OutOfStock{% endif %}",
        "price": "{{ current_variant.price | money_without_currency }}",
        "priceCurrency": "{{ shop.currency }}",
        "url": "{{ shop.url }}{{ current_variant.url }}",
        "itemOffered": {
          "@type": "Product",
          "name": "{{ product.title }}",
          "sku": "{{ current_variant.sku }}"
        }
      }
    ]
  }
</script>

<script class='js-product-json' type='text/template'>
  {
    "selectedOrFirstAvailableVariant": {{ current_variant.id | json }},
    "product": {{ product | json }}
  }
</script>