chrisjhoughton

{% if template contains 'product' %}
  <meta property="og:type" content="product">
  <meta property="og:title" content="{{ product.title | strip_html | escape }}">
  <meta property="og:category" content="{{ product.type }}" />
  {% for image in product.images limit:3 %}
  <meta property="og:image" content="http:{{ image.src | product_img_url: 'master' }}">
  <meta property="og:image:secure_url" content="https:{{ image.src | product_img_url: 'master' }}">
  {% endfor %}
  <meta property="og:price:amount" content="{{ product.price | money_without_currency | stip_html | escape | remove: ',' }}">
  <meta property="og:price:currency" content="{{ shop.currency }}">

Chrisedmo

{% comment %}
This is for widgets that share content on Facebook.
See the Facebook Linter: http://developers.facebook.com/tools/debug
{% endcomment %}

{% if template contains 'product' %}
  <meta property="og:url" content="{{ shop.url }}{{ product.url }}" />
  <meta property="og:title" content="{{ product.title }}" />
  <meta property="og:description" content="{{ product.description | strip_html | truncatewords: 100, '' | escape  }}" />
  <meta property="og:image" content="{{ product.featured_image | product_img_url: 'medium' }}" />