Feature	Details
Dimensions	Ads must be 468x60 pixels in size and have a file size of less than 15KB. 728x90 leaderboard ads can be run, but the entire inventory must be purchased.
Scope	Sitewide
Real-time stats	Yes
Rich Media	Supports HTML ads and other types of rich media. We are only able to track impressions (not clickthroughs) for this type of advertising.
Multiple banners	Free
Minimum order size	50,000 impressions