What is Zero-Party Data?
Learn what Zero-Party Data means, why it matters for your marketing strategy, and how consistent content keeps your brand top of mind.
Definition
Zero-party data is information that customers intentionally share with your brand. Learn how it differs from first-party data, collection methods, and use.
What is Zero-Party Data?
Zero-party data is information a customer proactively and intentionally shares with your brand. Like preferences, purchase intentions, communication preferences, and personal context.
Coined by Forrester, zero-party data is different from first-party data because the customer deliberately volunteers it rather than having it inferred from their behavior. When someone fills out a quiz saying “I’m looking for running shoes for trail running under $150,” that’s zero-party data. When you track that they viewed 3 trail running shoe pages, that’s first-party data. Both are valuable. Zero-party data is just more explicit.
As third-party cookies disappear and privacy regulations tighten (GDPR, CCPA), zero-party data has become the most trusted, highest-quality data source available to marketers. Forrester reports that 90% of marketers are actively adapting to data deprecation by investing in zero-party data collection.
Why Does Zero-Party Data Matter?
The era of tracking people across the internet without their knowledge is ending. Zero-party data is the privacy-compliant alternative. And it’s actually better.
- Highest accuracy. Customers tell you directly what they want. No inference, no guessing, no modeling based on incomplete signals.
- Privacy-compliant by design. Since customers share it voluntarily, you avoid the legal and ethical issues of third-party tracking
- Better personalization. Explicit preferences enable more relevant product recommendations, content, and offers than behavioral guesses
- Builds trust. Asking customers what they want (instead of secretly tracking them) strengthens the relationship
The brands winning the privacy transition aren’t just complying with regulations. They’re turning data collection into a value exchange.
How Zero-Party Data Works
Create Value Exchanges
People share data when they get something in return. Quizzes (“Find your perfect skincare routine”), preference centers (“What topics interest you?”), surveys, and onboarding questionnaires are all value exchanges.
Ask at the Right Moment
Timing matters. Ask for preferences during customer onboarding, after a purchase, or when the customer is naturally engaged. Don’t interrupt their experience with a 20-question survey on their first visit.
Activate the Data
Collected data is useless if it sits in a spreadsheet. Feed zero-party data into your email platform, CRM, and ad tools to power customer segmentation and personalization across every touchpoint.
Zero-Party Data Examples
Example 1: Product quiz A skincare brand built a “Find Your Routine” quiz asking about skin type, concerns, and goals. 40% of website visitors completed the quiz, generating rich zero-party data. Personalized product recommendations based on quiz answers converted at 3x the rate of generic product pages.
Example 2: Preference center A B2B SaaS company added a preference center to their email signup asking “What topics interest you?” and “What’s your biggest marketing challenge?” Subscribers who set preferences had 2.5x higher email open rates and 4x higher click-through rates because every email felt relevant.
Frequently Asked Questions
How is zero-party data different from first-party data?
Zero-party data is explicitly shared by the customer (preferences, survey responses, quiz answers). First-party data is observed from customer behavior on your properties (page views, clicks, purchase history). Both are owned by you; the difference is intent vs. inference.
What’s the best way to collect zero-party data?
Interactive content: quizzes, surveys, preference centers, polls, and onboarding questionnaires. The key is making the exchange feel valuable , “tell us about yourself and we’ll personalize your experience” rather than “fill out this form.”
Will zero-party data replace third-party cookies?
It’s one piece of the puzzle. The post-cookie world relies on a combination of zero-party data, first-party data, contextual targeting, and privacy-preserving technologies like Google’s Privacy Sandbox. Zero-party data is the most reliable of these options.
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Sources
- Forrester: Zero-Party Data Strategy
- Shopify: Zero-Party Data Guide
- HubSpot: First-Party and Zero-Party Data
How Zero-Party Data shapes your marketing outcomes. In practice
Zero-Party Data is a concept your competitors understand too. The difference between brands that benefit from it and those that don't comes down to consistent execution. The brands that stay visible aren't publishing more manually. They've automated their content pipeline. theStacc handles that side automatically, so your brand stays relevant without a full marketing team.
See how theStacc worksRelated Terms
Customer segmentation divides your audience into groups based on shared characteristics. Learn the 4 types of segmentation and how to build a segmentation.
First-party data is information collected directly from your audience through your own channels. Learn its importance in a cookieless world, collection.
The General Data Protection Regulation (GDPR) is a European Union privacy law enacted in 2018 that governs how organizations collect, process, store, and.
Personalization tailors marketing messages and experiences to individual users based on their data. Learn strategies, tools, and examples of effective.
Marketing prioritizing user consent and data protection. Explore how this concept applies to digital marketing and SEO.
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