---
title: Understanding Co-Viewing Measurement report
description: "Download the industry's guide to co-viewing in 2025.  

Co-viewing estimates directly impact reach and frequency, CPMs, campaign guarantees, and cross platform comparisons - so it is imperative we get this measurement right.

Read on for information on how to measure, understand and optimize based on co-viewing across the TV and CTV landscape."
image: https://info.tvisioninsights.com/hubfs/2025CoViewing-web-header.jpg
---

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# Understanding Co-viewing Measurement

July 16, 2025

#### Download the Report

#### **Co-viewing accuracy will define measurement in 2025**

 

Co-viewing accuracy (or inaccuracy) is the biggest challenge to effective TV and CTV measurement today. 

Co-viewing estimates directly impact:

- Reach and frequency 
- CPMs and budget efficiency
- Campaign guarantees 
- Cross-platform evaluations

Incorrect co-viewing numbers can massively impact campaign reach - by as much as 30%. This creates waster for advertisers - and lost opportunity for publishers. 

 

Download our latest report "Understanding Co-Viewing Measurement" to learn about the challenges facing our industry, and what CMOs, brands, agencies, publishers and measurement providers need to do to address the problem. 

**Download the report today!**

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