You can preview a video creative on your site to test the creative before it's live.
Sign in to Google Ad Manager.
- Click Delivery Line items, and open the item you'd like to preview. You can use filters to find a line item.
- Click Creatives, followed by the creative set you want to preview.
- Click Preview, where Ad Manager will attempt to display the video.
- Click On site and enter the site URL of the page containing the video player capable of showing the ad.
- Click Open preview.
Previews include third-party tracking URLs, which increased the count in the URLs you've specified.