<http://schema.org/thumbnailUrl>
<https://www.clickz.com/wp-content/uploads/sites/2/cnt-import/clickz-db/IMG/337/274337/social-analytics-320x198-120x90.jpg>
<https://www.clickz.com/beyond-the-like-using-post-action-analytics-to-create-a-better-roi-formula/31938/>