The Exchange Lab - Powered By Proteus

Ad Specifications

Make sure your creative is the perfect fit


All Video Specifications


File Size

  • 10MB recommended
  • 60MB maximum


Formats supported:

  • MPEG2
  • QuickTime
  • WMV
  • MOV
  • FLV
  • WMF
  • MP5
  • WEBM

VAST 2.0. Tag must include:

  • 264 (MP4)
  • Flash Video (FLV.)
  • Other formats may be included but will not be used
  • WebM is recommended, but not required

Ratio / Compression / FPS

  • Display Aspect Ratio: 16:9, 4:3, 5:2
  • Video compression: Any native QuickTime, AVID, or Media 100 including MPEG-2 and H.264 Animation
  • Bit rate: 1200 kbps or better
  • 24-25 or 29-30

Unit Size

  • 400×300 or larger
  • Overlay can be any size, but no bigger than 1/5 of the video player

Video Length

  • Video length: 15 or 30 seconds
  • YouTube will give all users the option to skip 30 second ads

Inventory Type

  • Pre Roll
  • Mid Roll
  • Post Roll

Best Practice

Companion Banners

  • Companion banners are served alongside the pre-roll ad and can help reinforce brand and message association
  • Static banners only (JPEG, GIF, IMG)
  • Under 40KB
  • Please see The Exchange Lab Display Requirements for further guidance
  • Banners should be sent as third party ad server tags or
  • Raw JPEG, GIF or IMG files with click tracking URL
  • 300×250: most common and recommended on all pre-roll ads
  • 300×60: recommended if running on YouTube sites
  • 728×90: scarce

Approved Ad Serving Partners:

The Exchange Lab supports all major ad serving vendors including Adform, Atlas, Eye Return, Flash Talking, Sismek, Conversant, Pointroll and OpenX and all video ad servers that are VAST 2.0 compliant.

Banned Attributes

  • Fake links/cursors/simulation of activity
  • Auto initiated audio ads: ads that auto play an audio file upon loading without user initiation
  • Malware: software that is intended to damage or disable computers and computer systems
  • Undeclared landing pages: landing pages that do not match the advertised content on the banner
  • Misleading ads
  • Ads that automatically redirect a user to a different page upon loading without user initiation

SSL Compliance

  • Please ensure all elements of your tags and tracking is SSL compliant, this includes aby 4th party calls
  • Tags/URLs not received as SSL compliant will not be eligible to run on secure inventory (HTTPS)
  • For more information on SSL compliance please contact your Exchange Lab account manager 

Naming Conventions:

Please ensure that third party tags have the following within the placement naming convention

  • A campaign and/or product name (e.g. ALWAYSON, WINTERSALE, 2WEEKOFFER)
  • Tag set version number (e.g. Tag1, T1, Placement1, P1)
  • No duplication of placement names across tag sets

Third Party Tags File Format

Please send your third party tags in CSV format wherever possible. 

Creative Feedback

We will provide initial feedback on any issues with creative within 1 working day. We will then follow up with any further feedback we receive from our platforms which can take up to 24 hours.

 4th Party Calls:

Please ensure that all 4th party calls are approved compliant with Google’s approved vendor certification