Metrics in Facebook Insights: Video Views - Unique Viewers
The number of times videos played for unique people Total number of times page's videos have been played for unique people to the end, or viewed for more than 30 seconds Total number of times page's videos have been played for unique people for more than 3 seconds Total number of times page's videos
12 Feb 2017 ... Metrics in Facebook Insights: Video Views – Unique Viewers. . The number of times videos played for unique people. page video complete ...