Third-party reporting
Apple bases its campaign delivery and pacing on impressions. There may be variances when comparing third-party reporting metrics because viewability standards may vary among third-party vendors. Reporting metrics include:
Requested impressions: When an initial request is made through the Apple proxy to a third-party server.
Video impressions: When at least 50% of the video ad is displayed and playing on-screen for at least two continuous seconds.
Impressions: When at least 50% of the banner is fully displayed on screen for one second or more.
Moat
Attention metrics on Moat can be measured through impressions delivered within Apple News. This will allow you to independently verify impressions via Moat metrics such as one second in-view and invalid traffic rate.
If you have a Moat account, you can gain access by providing your org ID (located on Workbench) to your Moat representative who can assist you with access.