Specifications for Supported Ad Types

Video Ads (Pre-Roll and CTV)

Supported Screens

Ads are delivered by default on desktop, mobile, and connected TV devices. Device targeting is available to adjust delivery.

Supported Third-Party Ad Servers

You can use tag sheets from DCM, Flashtalking, Innovid, and Sizmek. For a full list of supported vendors, see “Certified Ad Serving Partners.”

Requirements for High-Definition Video Assets (Required)

Video Tag Type: VPAID 2.0 JavaScript or VAST (CTV). All VPAID ad units must adhere to the VPAID 2.0 specification as defined by the Interactive Advertising Bureau (IAB).

Video Codec: MP4/H.264

Resolution: 1280x720 for 720p, 1920x1080 for 1080p

Bitrate: 1500-2500 kbps for 720p, 2500-3500 kbps for 1080p

H.264 Profile/Level: High profile, level 3.1 for 720p; High profile, level 4.0 for 1080p

Video Frame Rate: 29.970 fps (commonly referred to as 30 fps) for NTSC countries, 25 fps for PAL countries, 23.976 fps (commonly referred to as 24 fps) for film-look content

Video Color Space: 4:2:0 YUV Chroma subsampling

Video Interlacing: Progressive scanning, i.e., non-interlaced. No intra-field motion (blending frames) or interlacing.

Leaders (Slate): Not permitted

Audio Codec: AAC-LC or HE-AACv1

Audio Bitrate: 128-192 kbps for AAC-LC, 64-128 kbps for HE-AACv1

Audio Channel: 2-channel stereo mix

Audio Sample Rate: 44.1 kHz or 48 kHz, as per source material

Audio Levels: 24 LKFS (+/- 2.0 dB) in the US as per ATSC A/85; 23 LUFS (+/- 1.0) in the EU as per EBU R128

Additional Publisher Requirements for Connected TV Ads

• Hulu: See Hulu’s ad specifications.

• Disney:

  • ESPN Livestreaming:

    Bit Rate: > 14000kbps
    Format: .mp4
    Tag Type: VAST 2.0
    Creative Size: 1280x720 or 1920x1080

  • Full-episode programming (FEP): ESPN, ABC, Freeform, Nat Geo, and FX

    • Bit Rate: > 14000 kbps:

      Format: .mp4

      Tag Type: VAST 2.0

      Creative Size: 1280x720 or 1920x1080

    • Bit Rate: > 1000 kbps (low resolution) or 15000 kbps (high resolution):

      Format: .mp4

      Tag Type: VAST 2.0 (VPAID 1.0 on desktop only)

      Creative Size: 1280x720 or 1920x1080

Display Ads

Supported Screens

Ads are delivered by default on desktop and mobile devices. Device targeting is available to adjust delivery.

Supported File Types

Image: GIF, JPG/JPEG, PNG

HTML5: Image file types: GIF, JPG/JPEG, PNG, SVG

Requirements for Image Assets (Required)

Universal Display is supported.

Recommended ad sizes: 120x60, 160x600, 180x150, 300x50, 300x100, 300x1050, 300x250, 300x600, 320x50, 320x480, 480x60, 640x480, 88x31, 728x90, 970x250, 970x90

Supported Third-Party Ad Servers: You can use tag sheets from DCM, Flashtalking, Innovid, and Sizmek. For a full list of supported vendors, see “Certified Ad Serving Partners.”

Audio Ads

Supported Screens

Desktop, Mobile, Tablet, Smart Speakers, and Connected TV

Supported Third-Party Ad Servers

You can use tag sheets from DCM, Flashtalking, Innovid, and Sizmek. For a full list of supported vendors, see “Certified Ad Serving Partners.”

Requirements for Audio Assets (Required)

File type: MP3, OGG, AAC

Leaders (slate): Not permitted

Maximum file size: 2MB

Bitrate: 128

File Length: 0-60s

Additional Publisher Requirements

• Spotify

  • Length: Up to 30 seconds
  • File type: OGG
  • Maximum file size: 500MB
  • Volume: RMS normalized to -14; dBFS peak normalized to -0.2 dBFS

• SoundCloud

  • Length: 6, 15, or 30 seconds
  • File type: MP3
  • Maximum file size: 5 MB

• Pandora

  • Length: 15 or 30 seconds
  • File type: MP4 (in-app), MP3 (desktop)
  • Maximum file size: 2.2 MB

• TuneIn

  • Length: 10, 15, or 30 seconds
  • File type: MP3, OGG
  • Volume: 44.1 kHz

• iHeartRadio

  • Length: 5, 15, 30 or 60 seconds
  • File type: MP3
  • Maximum file size: 320 kbps
  • Volume: 44.1 kHz

• TargetSpot

  • Length: 15, 30 or 60 seconds
  • File type: MP3

Requirements for Companion Banner Ads (Optional)

Supported sizes: 300x250, 500x500, 640x640, 1024x1024

Additional Publisher Requirements

• Spotify:

  • File type: Static JPG, PNG
  • Maximum file size: 200 KB
  • Dimensions: 300x250

• SoundCloud:

  • File type: Static JPG, PNG
  • Maximum file size: Under 400 KB
  • Dimensions: 1024x1024

• Pandora:

  • File type: JPEG, GIF
  • Maximum file size: Size: 100 KB
  • Dimensions: 300x250 (mobile or desktop), or 500x500 (desktop)

• TuneIn:

  • File type: JPEG, JPG, PNG, GIF, HTML
  • Maximum file size: 2 MB
  • Dimensions: 300x250

• iHeartRadio:

  • File type: JPEG, JPG, PNG, GIF, SWF, HTML
  • Maximum file size: 2.2 MB
  • Dimensions: 300x250

Native Display Ads

Each ad can include either a still image or a moving GIF (cinemagraph).

Supported Screens

Ads are delivered by default on desktop and mobile devices. Device targeting is available to adjust delivery.

Required Assets for All Native In-Feed Formats

Image Asset

Resolution: Minimum 600x600px; Recommended minimum of 1200x627px

File type: JPEG (image ad or video ad cover image), GIF (cinemograph)

File Size: Less than 1 MB (Image should be free of text.)

Advertiser Logo

Resolution: Minimum 80x80px; Recommended minimum of 300x300px

File type: JPEG or PNG.

Aspect ratio: 1x1 ratio

Text/Copy

Headline: Maximum 200 characters; 25 characters recommended

Caption: Maximum 200 characters; 100 characters recommended

Sponsored By: Maximum 200 characters; 30 characters recommended

Call to Action (MoPub Only): Maximum 15 characters

Landing Page URL

The clickthrough URL with optional click trackers.

Requirements for click trackers:

• Third-party impression-tracking pixels: 1x1 image URL format only

• Viewability JavaScript trackers: Supported for IAS only; 1x1 images in JS.append format only

• Third-party click-tracking pixels: Must redirect to the landing page embedded in the URL (HTTP 302 redirect)

• Data management platform (DMP) click trackers with 200 or more responses aren’t supported.