IAB Standards

Published Modified

  • Image
  • Video

IAB Standards Video Companion Banner — 300×100 ad specs

IAB Standards Video Companion Banner — 300×100 ads are horizontal 3:1 still images, measured at 300×100 px, up to 0.2 MB per file. They run in the Beside the video player placement on IAB Standards.

  • 300×100 px
  • 3:1
  • 205 KB
Test a creative

Visual

Dimensions
300 × 100 px
Aspect ratios
3:1
Max file size
205 KB

Notes & source

  • Served with a linear or nonlinear video ad and displayed outside the player
  • No video or audio in the companion
  • Not available on CTV except as an end card

Official source (opens in a new tab) · checked not yet