Shopify jsonld for Collections

main-collection-product-grid.liquid

<script type="application/ld+json">
{
 "@context": "https://schema.org",
 "@type": "CollectionPage",
 "name": {{ collection.title | json }},
 "url": "{{ shop.url }}{{ collection.url }}",
 "description": {{ collection.description | strip_html | truncate: 300 | json }},
 "mainEntity": {
 "@type": "ItemList",
 "name": {{ collection.title | json }},
 "itemListOrder": "https://schema.org/ItemListOrderDescending",
 "numberOfItems": {{ collection.products_count }},
 "itemListElement": [
 {% for product in collection.products limit: 20 %}
 {
 "@type": "Product",
 "name": {{ product.title | json }},
 "url": "{{ shop.url }}{{ product.url }}",
 "image": {{ product.featured_image | img_url: '800x800' | prepend: 'https:' | json }},
 "offers": {
 "@type": "Offer",
 "priceCurrency": "{{ cart.currency.iso_code }}",
 "price": "{{ product.price | divided_by: 100.0 }}",
 "availability": "https://schema.org/{% if product.available %}InStock{% else %}OutOfStock{% endif %}"
 }
 }{% unless forloop.last %},{% endunless %}
 {% endfor %}
 ]
 },
 "publisher": {
 "@type": "Organization",
 "name": {{ shop.name | json }},
 "url": "{{ shop.url }}",
 "logo": {
 "@type": "ImageObject",
 "url": "{{ shop.brand.logo | img_url: '200x200' | prepend: 'https:' }}"
 }
 }
}
</script>