Understand the full impact of your advertising
Our closed-loop measurement tracks sales across our site, app and in our stores.
Turn Walmart’s expansive scale into measurable results
Put Walmart’s massive omnichannel insights to work for you. Our proprietary first-party data helps you find the right Walmart customers at scale across Walmart’s site and app, offsite media, and in Walmart stores — and understand how that reach translates into real business results.
The #1 U.S. omnichannel retailer¹ spanning online and store touchpoints
customers served online and in stores each week in the U.S.²
Walmart stores in the U.S.3
Data signals backed by real customers
Walmart’s proprietary online and in-store transaction data helps you drive sales and prove attribution with a new level of certainty. Our precise and reliable data can help you gain clear insight into how your advertising drives actual purchases, so you can confidently invest, optimize, and grow.
Understand what’s working so you can keep growing
Our closed-loop measurement, powered by our first-party data, ties ad exposure — across Walmart’s digital properties and offsite channels — to sales on Walmart’s site and in stores. When a customer sees your ad and makes a related purchase at Walmart, we recognize and report it so you can track the results of your onsite and offsite campaigns in near real time.
A connected approach for continuous learning
Our data signals are designed to help advertisers plan, optimize, and analyze measurement seamlessly to build momentum and apply new insights based on campaign learnings and specific business goals.
Measurement that offers a complete view of performance
Access your campaign performance in one place through our self-serve Walmart Connect Ad Center. We provide a variety of ways to evaluate results and optimize, including attribution, incrementality, brand impact, and campaign insights.
Take your next step toward growth with Walmart Connect
Footnotes & citations
1. Fortune, August 2023.
2. Walmart annual report papers, March 14, 2025.
3. Walmart first-party data, February 2025.