Facebook does this for cover photos <a href="https:&#x2F;&#x2F;code.facebook.com&#x2F;posts&#x2F;991252547593574&#x2F;the-technology-behind-preview-photos&#x2F;" rel="nofollow">https:&#x2F;&#x2F;code.facebook.com&#x2F;posts&#x2F;991252547593574&#x2F;the-technolo...</a>