The IMA SDK must be able to tell when ads are visible to users so that it can send the correct signals back to the ad server. IMA uses Active View reporting to measure the viewability of ads. This guide explains how Active View reporting works with IMA, as well as how to verify that the SDK is able to correctly capture viewability signals.
How Active View reporting works with the IMA SDK
Active View receives measurements on that
Verifying that the SDK can measure ad viewability
To check whether that the SDK is able to capture viewability signals, look for
active_view_vide_measurable_impression in the
HTTP requests and
check for the
mtos parameter. For more information, see
Monitor Active View measurement.