<http://schema.org/mainEntityOfPage>
<http://www.bonappetit.com/test-kitchen/cooking-tips/slideshow/cooking-tips-heritage-pork-pasture-raised-chicken-grass-fed-beef>
<http://www.bonappetit.com/test-kitchen/cooking-tips/slideshow/cooking-tips-heritage-pork-pasture-raised-chicken-grass-fed-beef?slide=2>