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Smart Phone Dimensions: 320 x 50 pixels Max File Size: 50K |
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Tablet Dimensions: 728 x 90 pixels Max File Size: 50K |
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Smart Phone Dimensions: 300 x 50 pixels Max File Size: 50K |
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Tablet Dimensions: 468 x 60 pixels Max File Size: 50K |
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Smart Phone Dimensions: 300 x 250 pixels Max File Size: 200K |
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Tablet Dimensions: 300 x 250 pixels Max File Size: 200K |
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Viant accepts the following formats for all of our display units: JPG, PNG, GIF, SWF, HTML5 or Javascript. For HTML5 ads, please be sure that Flash content and Flash fallbacks (SWF and FLVs) are not included within the creative.
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Format: Third party JavaScript tags; HTML5; Animated GIF animation only. No flash creatives or iframes.
Animation: 15 sec max
Audio: User initiated tap only; 30 sec max - audio only and when in conjunction with in-banner video. Audio must stop when the banner is tapped or when the appropriate audio control buttons are tapped
Notes and Best Practices: Ensure all images are optimized for mobile web; do not use Flash creatives even if the tag contains a static backup image; use mobile optimized landing pages, include size dimensions in file name. For full screen dimensions, see Full Page Flex units for both tablet and smartphone.
High Resolution: For higher resolution devices higher file weights may be accepted but no more than twice the guideline

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Third Party Hosted Video: For all mobile video that is third-party hosted, we require a VAST tag that calls an MP4 file with a max bitrate of 400K per second.
Non-Retina
- Orientation: Landscape
- Min Size: 100 x 50 pixels
- Max Size: 200 x 100 pixels
- Expanded Min Size: 480 x 320 pixels
- Expanded Max Size: 960 x 640 pixels
Retina
- Orientation: Landscape
- Min Size: 135 x 64 pixels
- Max Size: 270 x 128 pixels
- Expanded Min Size: 568 x 320 pixels
- Expanded Max Size: 1136 x 640 pixels
Retina at 3x
- Orientation: Landscape
- Min Size: 400 x 165 pixels
- Max Size: 500 x 200 pixels
- Expanded Min Size: 1920 x 1080 pixels
- Expanded Max Size: 2208 x 1242 pixels
Non-Retina
- Orientation: Landscape
- Min Size: 840 x 50 pixels
- Max Size: 960 x 100 pixels
Retina
- Orientation: Landscape
- Min Size: 668 x 64 pixels
- Max Size: 1136 x 128 pixels
Retina at 3x
- Orientation: Landscape
- Min Size: 1920 x 166 pixels
- Max Size: 2208 x 200 pixels
Non-Retina
- Orientation: Landscape
- Min Size: 64 x 320 pixels
- Max Size: 120 x 120 pixels
Retina
- Orientation: Landscape
- Min Size: 100 x 100 pixels
- Max Size: 160 x 160 pixels
Retina at 3x
- Orientation: Landscape
- Min Size: 250 x 250 pixels
- Max Size: 300 x 300 pixels
Please refer to the Pre-Roll Video Ad Specs
Please Note:
The VAST response should include two MP4's - one low-resolution (1280x720), and one high-resolution (1920x1080).
For Example
<MediaFiles>
<MediaFile id="1" delivery="progressive" type="video/mp4" bitrate="1000" width="1280" height="720">
<![CDATA[https://cdn.flashtalking.com/2342/sunny_weather_low-res-ad.mp4]]>
</MediaFile>
<MediaFile>
<MediaFile id="2" delivery="progressive" type="video/mp4" bitrate="5000" width="1920" height="1080">
<![CDATA[https://cdn.flashtalking.com/2342/sunny_weather_high-res-ad.mp4]]>
</MediaFile>
</MediaFiles>
For display and rich media, Viant works with the following SSL-compliant ad servers:
- Atlas
- Celtra
- Contobox
- DoubleClick
- Eyeview
- EyeWonder
- Flashtalking
- Innovid
- Mixpo
- Medialets
- MediaMind
- PointRoll
- Spongecell
- Telemetry
- VideoHub
- Videology