Fiddle Hangout banner ads are displayed at the top of the right-hand column on every page of the site. Users with smaller screens (such as mobile phones and tablets) will see a text-only version of the ad across the top of the main site window.
Size: 300x250 pixels
Animation: not allowed
Acceptable formats: all image file types (JPG, PNG, etc)
Banner ads include title text, body text, and a URL. Keep in mind that this text will be displayed without your image for mobile users.
Title: up to 40 characters
Body: up to 100 characters