366Published Modified
366 In-read video ad specs
366 In-read video ads are video clips, up to 4 MB per file, up to 20 seconds long, delivered as MP4. They run in the Outstream (in-read) video inside articles on 366's partner sites placement on 366.
- 4 MB
- 20 s
Visual
- Max file size
- 4 MB
- File types
- MP4
- Recommended max duration
- 15 s
Video & audio
- Max duration
- 20 s
Notes & source
- MP4 under 4 MB, 3 MB recommended
- Under 20 seconds, 15 seconds recommended
- Or a VAST 2.0/3.0/4.0 URL
- VPAID redirects are not accepted for in-read
- The PDF is a table
- Its text layer lists the sizes and weights column by column, so the row each value belongs to was read from the PDF's layout (text positions)
Official source (opens in a new tab) · checked not yet