About outstream video campaigns

As of Aug. 24, 2020, we've updated reporting for outstream video campaigns. We are changing the way we calculate the “Views” metric and expect to see a decrease in reported views for outstream campaigns. Performance, reach, and cost (vCPM billing) are not impacted.

Outstream ads are mobile-specific video ads that reach potential customers on partner sites. 

These ads can help increase brand awareness by getting your videos in front of more people. Outstream ads are designed specifically for mobile and tablet, so users can tap to play your video ad or easily scroll past when reading the latest news or shopping for products.

This article explains how outstream video campaigns work.

How it works

Outstream videos are mobile-only ads that appear on partner sites and apps outside of YouTube, playing in either an app or within content on the page.

Ads play automatically on mute when they appear on screen. Users can unmute with a tap. Users can either scroll past or dismiss when an ad appears.

Image of outstream ad

Where ads show

Outstream ads show on Google video partner apps and mobile websites for mobile and tablet devices.


You’re charged for outstream ads based on viewable cost-per-thousand impressions (vCPM). You’ll only pay if your ad is viewable. 

An ad counts as “viewable” when 50% of the ad screen space is visible for two seconds or more of continuous video play. 

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