Banner ads specs

Below are our email and web banner specs, revised December 16, 2025, and subject to change.

Email

  • 720×180
  • JPG, PNG, or GIF format
  • Animations must be in GIF format, no more than 6 frames per second, and no more than 10 seconds. The first frame of animation should show important information.
    • Maximum size for animated banner – either 60 frames or 2 MB (file size limit applies if you cannot limit framerate)
    • If you cannot accommodate this, we can turn your banner into a GIF slideshow.

Web

Please ensure you are designing your banner ad for the correct spot and type included in your contract:

  • 720×180 – Run of Press, Top of Story
  • 400×400 – Square Ad
  • 250×600 – Side Panel
  • 1200×300 – Top of Site
  • JPG, PNG, GIF, or MP4 format
  • HTML5 banners accepted.
  • Smooth animations at 30 frames per second permitted – we will convert them to web video for speedy loading. 10 second animation limitation still applies.