At its simplest, the Retail Media Standard Taxonomy (RMST) is a shared, structured language—a digital “Dewey Decimal System”—that organizes the diverse universe of retail media data, advertising formats, channels, and measurement standards. Created and formalized by industry groups like the Interactive Advertising Bureau (IAB) and referenced by the World Federation of Advertisers (WFA), this taxonomy serves as a common framework to clarify terminology, harmonize campaign data, and ensure consistent measurement across platforms, retailers, and technologies.
In other words, RMST is how retail media gets organized, interpreted, and compared—enabling marketers, SaaS platforms, and analytics tools to speak the same language in a rapidly evolving digital landscape.
With digital retail growing exponentially (think: Sponsored Products on Walmart.com, in-store digital signage at Kroger, programmatic offsite ads powered by first-party retail data), the industry faced a huge problem: fragmentation. Different retailers, platforms, and agencies used their own definitions, making apples-to-apples comparisons—and unified reporting—almost impossible. Enter the RMST: standardization boosts transparency, enables campaign optimization, and powers cross-channel analytics for both brands and solution providers.AdExchanger
Consider RMST like a universal map legend for retail media data—without it, each stakeholder interprets symbols differently, creating confusion. With RMST, everyone follows the same key, unlocking clearer insights and smoother integration.
At the core, RMST divides retail media environments into three major categories:
Level | Description | Sample Values |
---|---|---|
Channel | Where ad appears | Online, In-Store, Mobile |
Format | Type of creative/media | Sponsored Product, Digital Signage |
Store Zone | Placement within environment | Entry, Checkout, Aisle, Endcap |
Measurement | KPI for campaign success | Impressions, Likelihood-To-See (LTS), CTR, Sales Lift |
Retail Media Taxonomy
├── Channel
│ ├── Online Retail Media
│ ├── In-Store Retail Media
│ └── Mobile Retail Media
├── Format
│ ├── Digital Signage
│ ├── Sponsored Products
│ └── Audio Ads
├── Store Zones (In-Store)
│ ├── Entry
│ ├── Aisle
│ └── Checkout
└── Measurement Metrics
├── Impressions
├── LTS
└── CTR
For more technical details on taxonomy tables and measurement standards, see Scala's IAB Measurement Standards Overview.
You might wonder—how does RMST differ from other marketing taxonomies or what boundaries define its scope?
For SaaS providers, content marketers, and analytics teams, alignment with RMST means smoother onboarding, reduced tagging errors, better campaign reporting, and future-proofed data architecture.
Pro Tip: Involve cross-functional teams—ad ops, analytics, content, and product management—to ensure taxonomy adoption sticks at every stage of content and campaign development.
Imagine a SaaS marketing tool onboarding a new retailer: After ingesting the retailer’s inventory and campaign data, the platform classifies everything by RMST’s hierarchy (channel, format, zone, measurement). Campaigns across Sponsored Products (on-site), Facebook dynamic ads (off-site), and digital signage in brick-and-mortar locations (in-store) now report against unified, RMST-aligned KPIs. This enables consistent analysis, faster optimization, and easier cross-seller and cross-platform collaboration—exactly as championed by 2025 standards.Retail TouchPoints
The drive for standard retail media taxonomy is supercharged by several industry advances:
Engage in a quick self-assessment:
If you answered “no” to any, it’s time to review the latest IAB standards and align your workflow. Standardized taxonomy isn’t just about better reporting—it’s crucial for interoperable, scalable growth in digital retail media.
In summary: By adopting the Retail Media Standard Taxonomy now, marketers, SaaS platforms, and analytics teams position themselves for transparent, scalable success in a privacy-conscious, omnichannel future. RMST is not just an organizational tool—it’s a catalyst for unified growth in 2025 and beyond.