Attribution CTV February 7, 2026 9 min read

Cross-Device Attribution: Metadata Links CTV Exposure to Mobile Conversions

CTV as upper funnel anchor. Halo Effect: TV exposure increases mobile engagement. Gracenote IDs enable cross-platform measurement.

Omnichannel Reality

CTV, mobile, and DOOH must work in sync. The viewer journey crosses multiple devices — attribution must follow.

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CTV

Upper funnel awareness

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Mobile

Search, engagement

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Purchase

Conversion

The CTV Halo Effect

Halo Effect: Brand exposure on TV increases engagement on mobile/desktop. CTV serves as upper funnel anchor.

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CTV exposure

Viewer sees brand on big screen TV.

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Search behavior

Later searches for brand on mobile.

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Purchase

Converts on mobile or desktop.

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Attribution

Links CTV exposure to conversion.

Universal IDs for Cross-Device

Device graphs and ID linkages determine who can execute precise cross-device campaigns:

  • Gracenote IDs — content identification across platforms
  • Unified IDs — link users across devices
  • Household graphs — connect TV to personal devices
  • Nielsen/Comscore integration — measurement partners

Metadata Enables Attribution

Content IDs (Gracenote/TMS IDs) serve as universal identifier for cross-platform measurement:

Discovery integration

IDs link content across platforms.

Ad tech stacks

IDs enable programmatic attribution.

Measurement partners

Nielsen/Comscore recognize IDs.

Cross-device tracking

Link exposure to conversion.

EPG Service: Attribution-Ready Metadata

Need cross-device attribution?

EPG Service provides universal content IDs compatible with major measurement partners for cross-platform attribution.

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