IAB Standards

Published Modified

  • Image
  • Display

IAB Standards Native Main Image — Large 4:3 ad specs

IAB Standards Native Main Image — Large 4:3 ads are horizontal 4:3 still images, at least 836×627 px. They run in the Native (in-feed, in-content, right rail, recommendation widget) placement on IAB Standards.

  • min 836×627 px
  • 4:3
Test a creative

Visual

Minimum size
836 × 627 px
Aspect ratios
4:3

Notes & source

  • Minimum 836×627 dp (density-independent pixels)
  • Recommended file weight 100 kB
  • IAB lists no file types or hard size cap for native images: the exchange or publisher sets them
  • A "sponsored by" brand name is required with every native ad

Official source · checked not yet

Related formats