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 Ad Manager (formerly known as Google DFP).
Banners must be related to employment at your organization, and should not promote a product or service.