Web Ad Specifications

Challenge offers a range of IAB (Interactive Advertising Bureau) industry standard sizes and weights:

1. 468 x 60 IMU - (Full Banner)
   20k max non Flash, 30kb max Flash, 15 seconds animation, Alt Text 65 characters total, audio OK. File Types: GIF, JPEG, Rich Media.
   
2. 120 x 60 IMU - (Button 2)
   10k max non Flash, 10kb max Flash, 15 seconds animation, Alt Text 65 characters total, audio OK. File Types: GIF, JPEG, Rich Media.
   
3. 120 x 240 IMU - (Vertical Banner)
   20k max non Flash, 30kb max Flash, 15 seconds animation, Alt Text 65 characters total, audio OK. File Types: GIF, JPEG, Rich Media.

Additional Specifications:

• Continuous looping animation is not accepted and limited to the first 15 seconds.
  
• Creative must have a 1 pixel border that clearly distinguishes the ad from content. Black or gray [666666 is recommended although any color may be used].
  
• Rich Media is accepted on a case-by-case basis.
  
• Audio must be user-initiated, never automatic and must have an On/Off switch for users.
  
• Embed the click-through URL in the Flash file (.swf) and audio insertion may begin no earlier than second frame.
  
• Third party tracking and serving OK. Just send invocation code (banner tags) and we will plug it into our ad management software.