Momentum Media

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Momentum Media eNewsletter Leaderboard 400x400 (phone) ad specs

Momentum Media eNewsletter Leaderboard 400x400 (phone) ads are square still images, measured at 400×400 px, up to 0.1 MB per file, delivered as JPG, GIF, or PNG. They run in the Above the masthead of the brand daily bulletin (email), the first item a reader sees placement on Momentum Media.

  • 400×400 px
  • 1:1
  • 100 KB
Test a creative

Visual

Dimensions
400 × 400 px
Max file size
100 KB
File types
JPG, GIF, PNG

Notes & source

  • 400x400
  • JPG, GIF or PNG
  • Maximum 100 KB per the spec card
  • The network-wide Ad Technical Specification gives 80 KB for static and 120 KB for animated email images
  • The format's own card is used
  • Defence Connect's media kit lists no eNewsletter Leaderboard
  • Daily bulletin (eNewsletter) creative: no third-party serving (Momentum Media can add click trackers and impression pixels)
  • No URL shorteners
  • a 1px black border is needed on a white background
  • Outlook shows only the first frame of an animated GIF, so put the key message first
  • Emails are responsive, so the desktop creative may be scaled down 30-40% on mobile

Official source · checked not yet

Official source · checked not yet

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