Verify Active View

  • Active View reporting is used by the IMA SDK to measure ad viewability.

  • The IMA SDK requires a designated video element to measure viewability.

  • Viewability signals can be verified by checking for network requests to https://pagead2.googlesyndication.com/pcs/activeview with the mtos parameter.

  • A sample stream is available for viewability testing, and its use can be verified by checking network logs for specific downloads and pings.
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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

  1. The publisher designates a video element when creating the StreamManager.

  2. As long as the video element is viewable and unobstructed when the StreamRequest is made, Active View receives measurements on that element.

Verifying that the SDK can measure ad viewability

To check whether that the SDK is able to capture viewability signals, look for network requests sent to https://pagead2.googlesyndication.com/pcs/activeview and check for the mtos parameter. For more information, see Monitor Active View measurement.

The following sample stream is available for viewability testing:

CMS ID: "2556080", video ID: "tears-of-steel-omid"

To test using this stream, first check the network logs for ima-test-verification.js to be downloaded and then a ping fired to https://pagead2.googlesyndication.com/pagead/gen_204 at the start of ad playback.