Statistical metrics
All metrics are generated based on data with General Invalid Traffic (GIVT) filtered out. Data for IMS metrics is additionally filtered to exclude SIVT (Sophisticated Invalid Traffic).
Note. Statistics are displayed in Moscow time (UTC+3).
Common
- Impressions
- Events that occur at the start of ad rendering.
- Total impressions
- The total count of banner impressions in the system, including backup ad. The number of impressions may differ from the number of banner ad responses if the impression count method is overridden at the campaign level.
- Viewable impressions
- Ad impressions in the window's viewable area in the active browser tab, which are counted according to the established criteria: the minimum percentage of pixels in the viewable area and the duration in the browser viewable area.
- Undetermined ad impressions
- Impressions for which it's impossible to determine the viewability status.
Events
- Viewable impressions, Yandex
- Impressions that meet the Yandex viewability criteria. The metric is only available for campaigns with the count method Viewable impression, Yandex (previously — Viewable impression, 2 seconds) that were created before March 18, 2022.
Unique
- Total unique impressions
- Banner impressions for the user that were recorded by the system, including backup ad, but excluding repeat impressions. The impression count may differ from the number of banner ad responses if the impression count method is overridden at the campaign level.
- Impression frequency
- Count of banner ad impressions for unique users.
- Unique Yandex HB total ad requests
- The number of all requests sent via Yandex Header Bidding (without repeat requests).
- Unique banner ad responses
- A banner response (without repeat responses) to the user, counted by the system. The response count may differ from the number of banner impressions if the impression count method is overridden at the campaign level.
- Unique impressions
- The banner impression recorded by the system, excluding repeat impressions. The impression count may differ from the banner response count if the impression count method is overridden at the campaign level.
- Unique unfilled ad responses
- A response of a backup ad (without repeat responses) to the user, counted by the system.
Additional
- Average ad requests
- Average number of requests during the period.
- Yandex HB total ad requests
- The number of all requests sent via Yandex Header Bidding.
- Unfilled clicks
- Number of clicks from backup ad to the advertiser site.
- Total clicks
- Total number of clicks from ad banners to the advertiser site.
- Quantity of events
- The total number of events triggered.
International media standards metrics
Data on IMS metrics is collected if the account has at least one active campaign using a template labeled “IMS” 
, regardless of the selected method for counting impressions.
All IMS metrics are generated based on data verified by the anti-fraud system.
- Impressions (IMS)
- Events that occur at the start of ad rendering based on invalid traffic (GIVT and SIVT) filtering.
- Viewable impressions (IMS)
- Ad impressions in the viewable area of the window in the active browser tab, counted according to the international media standards criteria, such as the minimum percentage of pixels in the viewable area and the duration in the browser viewable area, based on invalid traffic (GIVT and SIVT) filtering.
- Viewable impressions, Yandex (IMS)
- Impressions that meet the Yandex viewability criteria: 50% (30% for ads of 242,500 pixels (970 × 250 px) or more) of the banner area is viewable in the active browser window for at least 2 seconds, based on invalid traffic (GIVT and SIVT) filtering.
- Clicks (IMS)
- The number of clicks on banners with a redirect to the advertiser's website, taking into account invalid traffic (GIVT and SIVT) filtering.
- Viewable rate (IMS)
- The percentage of impressions in the viewable area of the browser window counted according to the international media standards criteria relative to the impressions with viewability determined, taking into account invalid traffic (GIVT and SIVT) filtering.
- Measured Rate (IMS)
- The ratio of measurable impressions with viewability determined to the total number of Impressions (IMS), taking into account invalid traffic (GIVT and SIVT) filtering.
- Non-viewable ad impressions (IMS)
- Impressions with rendering on the page registered, but without confirmation of viewability according to the international media standards criteria, taking into account invalid traffic (GIVT and SIVT) filtering.
- Undetermined ad impressions (IMS)
- Impressions for which it's impossible to determine the viewability status, taking into account invalid traffic (GIVT and SIVT) filtering.
