Supported Sizes (width x height, in pixels):
Skyscraper: 120 x 600
Leaderboard: 728×90 *
* For Leaderboard banner campaigns, the client must provide a mobile fallback banner of 320×240 for a better mobile experience.
Preferred formats: JPG, PNG or GIF **
Animated GIFs with a maximum of 3 looping frames
Max file size: 150KB
** Third-party tracking and rich media formats may be available but must be compatible with Google DFP.
Banners must be related to employment at your organization, and should not promote a product or service.