Walled garden advertising: high-value audiences in closed platforms
A walled garden is a platform that keeps its inventory, audience data and measurement inside its own system. These platforms hold very large logged-in audiences, and advertising on them follows their rules and their tools.
Closed platforms
- Search & video
- Social
- Commerce
The market in the United States
A large share of US digital spend sits inside closed platforms, each with its own measurement, which makes independent comparison across them the central challenge.
Published US case snapshot: Interbets.com, a New York-based horse racing site owned by Catskill Off-Track Betting Corporation.
Formats and placements
Where this channel reaches audiences.
Search and video platforms
Closed ecosystems built around search, maps and video.
Social platforms
Feeds, stories and messaging within social networks.
Commerce platforms
Marketplaces that sell advertising against shopper data.
When to use it
Use walled gardens for scale, precise logged-in targeting and formats that exist nowhere else.
The trade-off is limited transparency: each platform measures itself, so results are hard to compare.
How Vertoz executes
- Platform mix by objective
- First-party audience use within platform rules
- Normalizing signals across platforms
- Balancing closed platforms with the open web
Measurement
What gets measured depends on the objective. These are the signals normally used for this channel.
Typical measures
- Platform-reported results for the objective
- Deduplicated reach, where measurable
- Independent conversion data from your systems
- Incremental contribution
Industries that use this channel
More channels
Frequently asked questions
Why are they called walled gardens?
Because inventory, data and measurement stay inside the platform and cannot be freely combined with other sources.
Can results be compared across platforms?
Not directly. Vertoz uses signal normalization and your own conversion data to compare them. See AI-Powered Optimization.
Are search, social and retail media walled gardens?
Many of them are. Those pages describe the formats; this page describes the shared characteristics of closed platforms.
Who do I contact in the United States?
Vertoz Inc is based in New Jersey and can be reached on +1 (732) 334 7300. Office addresses and the enquiry form are on the contact page.
Ready to put your media to work?
Create your advertiser account on the IngeniousPlex platform, or talk to the team first about what you are trying to achieve.