In short: Connected TV is television watched through an internet connection, with advertising bought and measured like digital media. It is best entered programmatically, measured by lift rather than clicks, and worth buying once a company has a working acquisition motion, a measurable brand constraint, and confirmation its category is permitted.
Key points
- CTV can be bought directly from services, through platforms' self-serve offerings, or programmatically through a demand-side platform.
- CTV ads are usually unskippable, so high completion rates say little; measure outcome lift where ads ran.
- CTV costs meaningfully more per thousand impressions than display or social video, and readable tests need larger budgets.
- CTV amplifies a working acquisition motion; it does not create one.
- Financial products, crypto and health are commonly restricted on streaming platforms, so confirm category policies first.
Connected TV, CTV, is television watched through an internet connection: streaming services, smart TV apps, and devices plugged into a screen. Advertising on it is bought and measured like digital media, with audiences, frequency caps, and reporting, while being seen like television, on a large screen with sound on.
It has grown quickly because audiences moved, and because it lets companies that could never afford broadcast television buy the screen in small amounts.
How it is bought
Three routes. Directly from a streaming service or broadcaster's ad sales team, usually with a minimum spend. Through the streaming platforms' own self-serve or managed offerings, which have opened television to small budgets. Or programmatically, through a demand-side platform buying CTV inventory across many apps and services, with the same audience, verification, and optimization tools used for display and video.
Programmatic is where most mid-sized buyers end up, because it allows small tests, audience definitions the buyer controls, and inventory across services rather than a commitment to one.
How it is measured
Impressions and completed views are the basic units; CTV ads are usually unskippable, so completion rates are high and say little. More useful measures connect exposure to behavior: visits and conversions from households that saw the ad, matched through IP address or device graphs; lift in branded search and direct traffic during flights; and, for serious budgets, incrementality tests across matched geographies.
Attribution is weaker than on click-based channels because nobody clicks a television. The honest measurement question is whether outcomes rose where the ads ran compared with where they did not.
What it costs
Meaningfully more per thousand impressions than display or social video, reflecting the screen, the attention, and the completion. Minimum tests that produce a readable signal are larger than for other channels, because the effect is measured at the household and geography level rather than per click.
When it makes sense
When the product is understood quickly enough to be explained in fifteen or thirty seconds and the category is welcome or permitted on the streaming platforms. When the company has established its cost per outcome on other channels and wants reach beyond them. When brand recognition is a measured constraint: visitors convert poorly because they have never heard of the company. When the audience can be defined and matched, so the buy is not paying for households that could never be customers.
When it does not
When the company has not yet found a channel that produces customers at a survivable cost; CTV amplifies a working motion, it does not create one. When the budget cannot support a test large enough to read. When the category is restricted on the streaming platforms, which is common for financial products, crypto, and health in many geographies; the band map applies here as everywhere.
For restricted categories specifically
Streaming services apply their own category policies, often stricter than the open web, and programmatic CTV inventory varies widely in what it will carry. Before planning any CTV spend, confirm which services and exchanges will run the category, with what disclaimers, in which geographies. Where it is open, CTV can be a thinly bid channel for reviewed categories, for the usual reason: the competitors who would crowd it are in the same review queue.
lowob takeaway: Connected TV is television bought like digital media, best entered programmatically, measured by lift rather than clicks, and worth it once a company has a working acquisition motion, a measurable brand constraint, and confirmation that the category is permitted.
Common questions
What is connected TV advertising?
Advertising on television watched through an internet connection, such as streaming services, smart TV apps and plugged-in devices. It is bought and measured like digital media but seen like television, on a large screen with sound on.
How do you measure CTV ad performance?
Connect exposure to behaviour: visits and conversions from households that saw the ad, lift in branded search and direct traffic during flights, and incrementality tests across matched geographies for serious budgets. The honest question is whether outcomes rose where ads ran compared with where they did not.
When should a company not buy connected TV ads?
When it has not yet found a channel that produces customers at a survivable cost, when the budget cannot support a readable test, or when the category is restricted on streaming platforms.
Can fintech or crypto companies advertise on CTV?
These categories are commonly restricted on streaming platforms in many geographies. Confirm which services and exchanges will run the category, with what disclaimers and where, before planning spend.