True Reach
Visible Measures True Reach measurement reports the number of times a video campaign is viewed across hundreds of the web's most trafficked sites. It allows advertisers and agencies to track the performance of their paid, owned, and Earned Media assets across the Web. True Reach accounts for clips uploaded by the brands and their agencies as well as clips driven directly by audiences.
View Period
View Period tracks each unique user’s video viewing experience, which can encompass several actions across multiple clips.
Engagement Score
The Engagement Score reflects the cumulative time all viewers spend with a particular video clip.
Completion Rate
The Completion Rate indicates how often viewers watch a specific clip to the end.
Visible Measures metrics not listed above have not been accredited by the MRC.