The Washington Post

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The Washington Post Pre-roll (VAST 3 / VAST 4) ad specs

The Washington Post Pre-roll (VAST 3 / VAST 4) ads are horizontal video clips, at least 400×300 px, up to 3 MB per file, up to 30 seconds long. They run in the washingtonpost.com and Washington Post apps · On-site video placement on The Washington Post.

  • min 400×300 px
  • 3 MB
  • 30 s
Test a creative

Visual

Minimum size
400 × 300 px
Max file size
3 MB
Recommended size
640 × 480 px

Video & audio

Max duration
30 s

Notes & source

  • VAST 3 or VAST 4 tag
  • 640x480 preferred, 400x300 minimum, up to 3 MB and 30 seconds, no looping

Official source · checked not yet

Frequently asked questions

What size are The Washington Post Pre-roll (VAST 3 / VAST 4) ads?

The Washington Post Pre-roll (VAST 3 / VAST 4) creatives must be at least 400×300 pixels.

What is the maximum file size for The Washington Post Pre-roll (VAST 3 / VAST 4)?

Files for The Washington Post Pre-roll (VAST 3 / VAST 4) can be up to 3 MB.

How long can The Washington Post Pre-roll (VAST 3 / VAST 4) ads be?

The Washington Post Pre-roll (VAST 3 / VAST 4) ads can be up to 30 seconds long.

Where can I find the official The Washington Post Pre-roll (VAST 3 / VAST 4) documentation?

The official source for The Washington Post Pre-roll (VAST 3 / VAST 4) requirements is https://www.washingtonpost.com/creativegroup/uploads/2025/09/56834360/WP_Digital-Ad-Specs.pdf, linked from this page.

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