Reach reports

In reporting, you can create reach reports that show an estimate of how many unique users have interacted with your ads. Learn more about Report Builder

Unique Reach

Navigate to Report Builder > New Report > Reach > Unique Reach to create a report with Unique Reach metrics. Unique Reach is different than Cookie Reach because it measures users that interacted with your ads across different environments and devices. This gives a more accurate calculation than Cookie Reach because the same user seen on desktop and mobile won't be counted separately. Google uses anonymized sign in data to link mobile device IDs with cookies to measure the same user across devices and environments. No identifiable information about the user is surfaced, and users can opt out or reset cookies and Device IDs at any time.

Unique Reach metrics:

Limitations:

  • Country is a required dimension.
  • Unique reach relies on cross environment data, which has limited coverage in China.

Reach

Navigate to Report Builder > New Report > Reach > Cookie Reach to create a report with Cookie Reach metrics. Cookie Reach does not track users across environments, the same user reached on mobile and desktop may be counted multiple times.

Reach metrics:

Incremental reach

Unlike regular reach, incremental reach only measures how many additional users were reached in each time period (day, week, or month), and who weren't served an ad during any previous increment of time.

The following metrics are available:

For example, if your report is broken down by day, incremental click reach will show how many unique users clicked on Day 1, how many additional users clicked on Day 2, and so on. Users are only counted once, and are attributed to a particular day. The total for all increments is the incremental (click, impression, or total) reach for the full reporting period.

In order for incremental reach to display correctly, you must include a time period in your report. Otherwise, the incremental reach values will simply be equal to regular reach.

Reach by frequency

You can include reach by frequency  to add new columns that display reach data broken down by frequency (the number of times a user associated with a specific cookie interacted with an ad on a given placement).

The following metrics are available from the Reach by Frequency drop-down menu:

Frequency represents the number of users who have interacted with an ad exactly n times (no more, no less). A frequency of 16 (the maximum) means that users have interacted with the ad 16 or more times.

Limitations

  • Cumulative reach data is available for 93 days as of November 1, 2018. Reach information can be pulled (at maximum) in 93 day blocks, and these blocks can't be added together accurately.  Cumulative reach data prior to this date can be as little as 42 days.

  • A dash ( - ) in the Unique Reach report means that the reach model couldn't be calculated because there wasn't enough data, or it didn't meet our privacy requirements. Try running your report over more data. You can also try segmenting your data less (over fewer dimensions). The more impressions available, the more likely it is the model will return data. 
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