For identifying which 30-second promo video for your client’s documentary film is watched to the end most often, you should use the “Optimize for completions” video creative optimization in Display & Video 360.
- Optimize for clicks
- Optimize for conversions
- Optimize for time spent on-screen
- Optimize for completions
The correct answer is: Optimize for completions
Explanation: The “Optimize for completions” strategy focuses on video creatives that are likely to garner the most impressions with viewers watching and listening until the end, ensuring they are prominently featured in ad auctions or guaranteed deals. This optimization leverages playback data, favoring ads expected to maintain on-screen visibility and audibility through to completion. Known as Audibility and Viewability On Completion (AVOC), this approach enhances the likelihood of selecting the most engaging promo video, maximizing viewer engagement for the documentary’s promotional efforts.
Read more here: https://support.google.com/displayvideo/answer/7558640