Run of Site Banner Advertising

Art Deadline
July 15. For any changes, please submit copy no later than five business days in advance. 
Multi-platform: 300x250, 320x50 and 728x90
1. File types: GIF, JPEG, PNG or HTML5
2. Max file size: 40KB (100KB for HTML5)
3. All ads can be third-party served, however all 3rd party tags are REQUIRED to be secure as we are moving into an HTTPS environment
Additional Details
1. We require all sizes in order to place any ROS banner ads
2. Please provide a URL for the banner ads to link to
3. If you need your ads to appear on a specific date, please let us know up-front so we can weight your impressions accordingly to ensure proper delivery
4. Ad units must be clearly distinguishable from normal webpage content (i.e. unit must have clearly defined borders and not confused with normal page content)
5. We would like creative to run year-long in order to allow for enough time to hit impression goals. Please note, banner ads received after July 1 will not be guaranteed to deliver the contractual impression goal.