Canvas Component Time Percentage

The average percentage of time spent viewing each component of a Facebook Canvas. Canvas is a screen that opens on mobile after a person clicks the Canvas link in your ad. It may include a series of interactive or multimedia components, including video, images, product catalogs and more. “The metric aggregates the percentage of time a person spends on each component in a Canvas. The metric includes time spent in other Canvas units linked from the original Canvas. You must apply the Canvas component breakdown to see the percentage of view duration per component; without the breakdown, the metric will always be 100%.