Catfish (mobile) 300(w) x 90(h) pixels

Specifications:
Dimensions: 300(w) x 90(h) pixels
File size:80KB
Type: GIF / JPEG / HTML5 (Must be 3rd party served)
Website: Landing page from the banner
Recommendation: Desktop/Tablet 150kB Web 2.0 allows for a more engaging user experience, without slowing down the Publisher page load.