Core Publisher: Image Specifications for Core Publisher Posts

Responsive Images

Core Publisher provides several options for displaying images
(left, wide, right, full, offset left, offset right). On desktop and tablet, these options correspond to three sizes — small, medium, and large.


  • Use an image that’s at least 2400 pixels wide image if you have one, since it will work best when displayed in the light-box view — and all images can display in a light-box when a user clicks on them.
  • Second best option: Use the largest image you have.
  • Third best option: Use an image that’s no smaller than the size for which it’s intended (400px for small; 825 for medium; 1055 for large). 
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