1.1 Dimensions

The most common dimensions are listed below:
• 120 x 600 – Skyscraper
• 160 x 600 – Wide Skyscraper
• 300 x 250 – Medium Rectangle
• 300 x 600 – Half Page
• 336 x 280 – Large Rectangle
• 468 x 60 – Banner
• 728 x 90 – Leaderboard
• 970 x 250 – Billboard
• 970 x 90 – Super Leaderboard
• 300 x 50 – Mobile Banner
• 320 x 50 – Mobile Leaderboard
• 320 x 480 – Mobile Interstitial Portrait
• 480 x 320 – Mobile Interstitial Landscape
• 768 x 1024 – Tablet Interstitial Portrait
• 1024 x 768 – Tablet Interstitial Landscape

1.2 Types

1.2.1 Images
• File type: .gif, .jpeg, .png, .wbmp
• File size: 150 KB maximum
• Animation: 30 seconds maximum

1.2.2 HTML5
• File type: .html, .htm, .js, .css, .jpg, .jpeg, .gif, .png, .json, .xml, .svg, .eot, .otf, .ttf, .woff, .woff2
• File size: Each creative must be compressed in a single .zip or .adz file of 10 MB maximum
• Animation: 30 second maximum
• Each .zip or .adz file must contain:

◦ a single .html file located in the root of the .zip file and not in a subfolder. It must be a complete HTML document that can load into an iFrame

◦ the images and other files that are referenced by the HTML file

◦ 100 files maximum

◦ at least one click tag

· the click tag variable should be used as the click destination

· the click tag should be easy for the ad server to read: no minification or obfuscation

· the assets should not contain hard-coded URLs

• Each .zip or .adz file must not contain:

◦ .zip files within the HTML5 .zip file

◦ files that are not referenced

◦ percent symbols (%) in the names of any of the files in the asset

◦ backup assets

• It is recommended to provide a .gif, .jpeg, .png, .wbmp backup image of 150 KB maximum (40 KB maximum recommended)
• Each .zip file must be assessed against coding and technical errors by using the HTML5 Validator

1.2.3 Third-party
• Tag type: HTML or JavaScript from approved ad servers
• Initial load size: 150 KB maximum (40 KB maximum recommended)
• Total load size: 4 MB maximum (2.2 MB maximum recommended)
• Animation: 30 second maximum

2.1 In-stream and out-stream

2.1.1 Video
• File type:

◦ Hosted: .mp4 or .mov

◦ Third-party:

· .mp4 (required)

· .webm (recommended)

· .avi, .mov, .m4v, .mpeg, .mpg, .ogv, .wmv (optional)

• File size:

◦ Hosted: 1 GB maximum (200 MB maximum recommended)

◦ Third-party: 10 MB maximum size for transcoded serving files

• Dimensions:

◦ Horizontal (landscape)

· Aspect ratio 16:9: 640 x 360, 1280 × 720, 1920 × 1080 (recommended)

· Aspect ratio 4:3: 480 x 360, 640 x 480, 1440 x 1080

◦ Vertical (portrait)

· Aspect ratio 9:16: 720 × 1280, 1080 × 1920 (recommended)

· Aspect ratio 3:4: 360 x 480, 480 x 640, 1080 x 1440

◦ Square: 720 × 720, 1080 × 1080, 1920 × 1920

• Length: 15 or 30 seconds recommended
• Video codec: H.264
• Video bit rate: 20 Mbps minimum recommended
• Video frame rate: 23.98 or 29.97
• Black bars: letterboxing or pillarboxing not allowed

2.1.2 Audio
• Audio codec: PCM or AAC
• Audio bit rate: 192 kbps minimum
• Audio sample rate: 48 kHz

2.1.3 Companion
• File type:

◦ Image: .jpg, .png, .gif

◦ HTML5: .html, .css, .js, .mp4, .jpg, .png, .gif, .svg

• File size: 20 KB maximum recommended
• Dimensions: 300 × 250, 728 × 90, 300 × 60 recommended
• Animation: 15 seconds maximum recommended
• Frame rate: 24 maximum recommended
• Audio: not allowed

2.1.4 Tag format
• VAST 2.0, VAST 3.0 and VPAID 2.0 from approved vendors
• Two VAST wrappers maximum recommended

2.2 OTT and CTV

Certain requirements might vary drastically between publishers. It is recommended to refer to individual publisher specifications before submitting the creatives

• File type: .mp4
• File size: ­­­­500 MB maximum
• Dimensions: 1280 × 720 minimum, 1920 × 1080 recommended
• Length: 15 or 30 seconds
• Bit rate: 2000 kbps minimum
• Frame rate: 23.98 or 29.97
• Audio sample rate: 48 kHz
• Tag format:

◦ VAST 2.0 (recommended), VAST 3.0, VAST 4.0 from approved vendors

◦ VPAID and MRAID are not supported

• Skippability: skippable videos are not supported
• Landing page URL: required

4.1 Audio

• File type: .mp3
• File size: ­­­­1 MB maximum
• Length: 14 or 29 seconds recommended
• Bit rate: 192 kbps minimum
• Sample rate: 44.1 kHz
• Landing page URL: required

4.2 Companion

• File type: .jpg, .png
• File size: 20 KB maximum recommended
• Dimensions: 640 x 640, 300×250

4.3 Tag format

• VAST 2.0 and VAST 3.0 from approved vendors
• DAAST is not supported

5.1 Hotstar

The Hotstar creative specifications can be found here

5.2 Sony LIV

The Sony LIV creative specifications can be found here