What is connected TV advertising?
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Last updated: April 8, 2026
Key Facts
- Connected TV advertising spending in the US reached $21.2 billion in 2022
- US CTV ad spending is projected to grow to $29.24 billion in 2024
- Over 87% of US households had at least one connected TV device as of 2023
- Roku holds approximately 25% of the US CTV advertising market share
- CTV ad completion rates average 95%, significantly higher than mobile or desktop video ads
Overview
Connected TV advertising represents the convergence of traditional television viewing with digital advertising technology. The concept emerged in the early 2010s as streaming devices like Roku (founded 2008) and Apple TV (first generation released 2007) gained popularity, but accelerated dramatically during the COVID-19 pandemic when streaming viewership surged. Unlike traditional linear TV advertising that broadcasts the same commercials to all viewers during scheduled programming breaks, CTV advertising delivers targeted digital ads through internet-connected television platforms. This includes smart TVs with built-in streaming capabilities, external streaming devices (Roku, Amazon Fire TV, Chromecast), gaming consoles (PlayStation, Xbox), and set-top boxes. The technology leverages the same programmatic advertising infrastructure used for digital display and video ads, allowing advertisers to apply sophisticated targeting parameters based on demographics, interests, viewing behaviors, and first-party data. Major streaming platforms like Hulu (launched 2007), Netflix (streaming service launched 2007), and Disney+ (launched 2019) have developed their own advertising solutions, while ad-supported streaming services like Pluto TV (founded 2013) and Tubi (founded 2014) have grown significantly.
How It Works
Connected TV advertising operates through a complex ecosystem involving multiple technology platforms. When a viewer streams content on a CTV device, the platform sends an ad request to an ad server, which initiates a real-time bidding auction among advertisers. This programmatic process typically occurs in milliseconds using protocols like VAST (Video Ad Serving Template) and VPAID (Video Player-Ad Interface Definition). Advertisers can target audiences using various data sources: first-party data from the streaming service itself, second-party data from partnerships, and third-party data from data providers. Targeting parameters can include demographic information (age, gender, income), geographic location, viewing history, interests, and even purchase intent signals. CTV ads support multiple formats including pre-roll (before content), mid-roll (during content), and post-roll (after content), with some platforms offering interactive formats that allow viewers to click for more information or special offers using their remote controls. Measurement and attribution are key advantages of CTV advertising, with platforms providing detailed metrics on ad delivery, completion rates, frequency, and increasingly, attribution to website visits or offline purchases through device graph technology.
Why It Matters
Connected TV advertising matters because it represents a fundamental shift in how brands reach television audiences, combining the scale and impact of television with the precision and measurability of digital advertising. For advertisers, CTV offers superior targeting capabilities compared to traditional TV, allowing them to reach specific audience segments with relevant messages rather than broadcasting to mass audiences. This efficiency translates to reduced ad waste and improved return on investment. For consumers, CTV advertising often means more relevant ads and the ability to access premium content through ad-supported tiers at lower costs. The growth of CTV advertising has significant implications for the media landscape, accelerating cord-cutting from traditional cable and satellite TV while creating new revenue streams for content creators. As privacy regulations limit traditional digital tracking methods, CTV's contextual targeting based on content viewing rather than personal data collection positions it well for the evolving digital advertising ecosystem.
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Sources
- Wikipedia - Connected TVCC-BY-SA-4.0
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