Display Specs

File Size

• Creative file size must be 150KB or smaller – this applies to both first- and third-party ads.

Creative Types

• GIF, JPEG, and PNG Image Files
• Third-party ad tags from approved server list (HTML or JavaScript)
• HTML5

Creative Sizes

• 300×250 – Medium Rectangle
• 160×600 – Wide Skyscraper
• 728×90 – Leaderboard
• 300×600 – Half Page Ad
• 300×50 – Mobile Leaderboard
• 320×50 – Mobile Leaderboard
• 970×250 – Billboard

General Specifications

The following specifications apply to all display ads in the Keynes Digital engine:

• Creative images must be clear, recognizable, and relevant; text appearing in the ad must be legible
• Creatives must occupy the entire space of the image size you’ve chosen
• Creatives cannot appear sideways or upside down
• Creatives cannot be segmented, contain multiple copies of themselves within the ad, or otherwise appear to be more than one ad
• Creatives with partially black or white backgrounds must include a visible border of a contrasting color to the majority background color of the ad.
• Creatives with partially black or white backgrounds must include a visible border of a contrasting color to the majority background color of the ad.
• Creatives must open a new page on click; they cannot open in the same page.
• Animated ads are restricted to a maximum of 15 seconds of looping, after which point they must remain static.
• Ads must include the play, pause, mute and unmute controls.