Imagine your ideal customer sending you, unprompted, a list of exactly what they want to buy next month, their clothing size, the problem they’re dealing with right now, and their budget. Sounds like a utopia from a marketing textbook? Not at all.
The era of quietly spying on users through third-party cookies is definitely over, and online stores are losing precise ad targeting. We’ve already covered how to prepare for these changes. Today, let’s look at the natural next step: how to get data directly, ethically, and without annoying people. The answer is zero-party data.
The end of silent tracking and the rise of zero-party data
For years, we relied on Facebook and Google to handle targeting for us. Those days are gone. Today, businesses badly need their own data. We all know first-party data—that’s what you see in Google Analytics or in your online store (what a customer clicked on, how long they spent on your site, what they added to their cart). It’s tracking their behavior.
Zero-party data, however, is in a different league. It’s information a customer gives you actively, voluntarily, and intentionally. Instead of guessing whether a customer has dry or oily skin based on which cream she clicked, she tells you herself. It’s the most valuable and cleanest type of data you can get in 2026.
Why the standard “Subscribe to our newsletter” form no longer works
If an aggressive pop-up hits customers the moment they land on your site with the text “Enter your email and get 5% off your first order,” one of two things happens. They either close it immediately or enter a “junk” email address, use the discount, and you never hear from them again.
People today are extremely protective of their inboxes and personal data. They won’t hand them over for nothing. A 5% discount stopped being enough motivation long ago. To get customers to share their zero-party data, you need to offer something far more valuable: clear, immediate value in exchange for their information. They have to feel that they’re the ones who benefit.
Three creative ways to collect zero-party data
How do you collect data without coming across as an interrogator? Turn the data collection process into an experience.
A. Interactive quizzes (Find out which product type you need) This is a gold mine for segments like cosmetics, fashion, pet supplies, or nutritional supplements. A customer doesn’t know which cream to pick. Offer to help: “Take our 2-minute quiz and find out which morning routine is ideal for your skin type.” The customer will happily click through their age, skin type, allergies, and goals, because a reward waits at the end—a tailor-made solution to their problem. And you get a perfect profile for future marketing.
B. ROI or savings calculators Ideal for B2B, construction, automotive, or higher-priced products. A customer is considering a heat pump or solar panels. Offer them a calculator: “Enter your annual energy consumption and roof type, and we’ll email you an exact calculation of how much you’ll save with us.” You instantly get a qualified lead plus precise information about their financial situation and needs.
C. Personalized recommendations in exchange for preferences Ask customers to update their preferences right in their user account or in your welcome email. Communicate it clearly: “We don’t want to spam you. Tell us which brands you wear and your shoe size, and we’ll only send you things that actually fit.” Customers set the filters themselves because they understand it protects them from irrelevant ads.
How to turn this data into profit and higher LTV right away
Collecting data in a spreadsheet and letting it gather dust is the biggest mistake you can make. Zero-party data needs to be connected to your email marketing and automations immediately.
If a quiz tells you that your customer “Peter” has a golden retriever puppy at home, you’ll never again send him a generic newsletter with a cat food sale. You’ll send him a hyper-personalized email: “Peter, your retriever is growing like a weed. We have the perfect food to support his joints.” Conversion rates for emails like these go through the roof. By communicating exactly what matters, you dramatically increase LTV (customer lifetime value) and reduce your unsubscribe rate.
Transparency builds trust, not just GDPR compliance
Explaining to customers why you’re asking for their data isn’t just a necessary evil of GDPR bureaucracy. It’s a huge business opportunity.
If you honestly tell a customer: “We’re asking about these things so we can serve you better and stop sending you stuff you don’t need,” you build a relationship based on trust. Zero-party data turns a one-sided sales pitch into a two-way conversation. When you start genuinely caring about your customers, they stop looking for alternatives at your competitors.
Are you losing money on inaccurate targeting and annoying newsletters? If you’re still sending the same discount to your entire database, you’re leaving profit on the table and damaging your customer relationships.
Get in touch with us at Tronos. We’ll design creative ways to collect zero-party data (quizzes, surveys, calculators) and connect them technically to your email marketing and online store so they generate sales on autopilot.
👉 I want to start collecting zero-party data and boost sales
Frequently asked questions (FAQ)
What tools can I use to create quizzes and collect data in an online store?
It depends on the platform. For Shopify, apps like Octane AI or Typeform are the absolute best, and they connect directly to the email tool Klaviyo. If you use a different solution (for example, Shoptet or WordPress), you can often use advanced pop-up tools like OptinMonster or Wisepops, which can collect multi-step answers and send them via API straight to your database.
Won’t a long quiz discourage customers from finishing it?
If the quiz has 15 boring questions, it definitely will. The key is to keep it short (roughly 5 to 7 questions) and visually appealing (use images instead of text). Add an element of gamification—show a progress bar (what percentage is left). Plus, customers who complete the quiz have huge purchase intent. Their top-notch quality easily makes up for a slightly lower total number of leads.
Can I also use this zero-party data for Facebook and Google ads?
Absolutely! And that’s where another huge part of its value lies. Once you build a database of, say, 1,000 customers with a specific problem (for example, “dry skin”), you can upload this list to ad platforms. You can then create highly accurate lookalike audiences from it or target those people with specific remarketing campaigns. It’s the best cure for the data loss from third-party cookies.
