There's often some confusion about the difference between a privacy notice and a privacy policy. Both are useful in complying with data privacy laws in many countries and will help your eCommerce website avoid any penalties. We often use both terms interchangeably since "privacy policy" has become the industry standard term for the public notice placed on a website explaining data use. However, this article will explain exactly what each term really means in legal terms if you ever do encounter them.
What Is a Privacy Notice?
A privacy notice is a public document that discloses the ways a website collects, processes, and shares user data and information. This document explains to users exactly how much of their privacy is preserved and gives them peace of mind about where their information goes. Any information shared with third parties must be disclosed here too. Every website should have a privacy notice available for all users to read. They are mandated by many laws around the world, even in jurisdictions with aging privacy laws.
What Is a Privacy Policy?
A privacy policy is a document that explains to employees how user data is to be handled so that privacy is protected in line with relevant regulations. The privacy policy must agree with the privacy notice, although more specific practices and processes can be explained in the privacy policy. Developing an effective eCommerce privacy policy↗ is the cornerstone of all compliance efforts. Because the privacy policy is an internal document, it isn't mandatory as long as there's a public privacy notice on the website. This must also be complemented by a cookie policy.
Conclusion
You will see these terms used in various contexts around the internet, but now you can remember the difference to educate employees and understand exactly what is required by data privacy regulations.
How Privacy Notices & Policies Differ in Practice for Shopify & BigCommerce
When you're running an eCommerce store, the distinction between these documents becomes clearer once you think about who reads them and when. Your privacy notice is what your customers actually see — it's the link in your footer that pops up when someone clicks "Privacy" before checkout. This is your public-facing document and it needs to be written in plain language your customers understand.
Your privacy policy, by contrast, is what your team uses internally to stay aligned on data handling. If you have a customer service team, developers, or marketing staff, they should reference your privacy policy to understand how to handle customer data correctly. For example, your policy might specify that customer email addresses can only be used for transactional emails and abandoned cart reminders — not for cold outreach campaigns.
Here's the practical reality: your Shopify store collects data through multiple touchpoints (checkout forms, analytics, email capture popups, Meta Pixel tracking). Your privacy notice must disclose all of these tracking methods. Your privacy policy then documents the internal rules around when and how that data gets used — like what your marketing team can do with email lists or how long you retain customer purchase history.
Many mid-market brands make the mistake of treating these as interchangeable. They're not. Customers need a clear, scannable privacy notice that tells them what happens to their data during purchase. Your team needs a privacy policy that governs the day-to-day decisions around data use. If your notice says "we don't sell customer data" but your policy allows third-party integrations without clear restrictions, you've created a compliance gap.
Cookie Policies Are Your Third Document — Don't Skip This
You likely already know you need a cookie banner on your eCommerce site. But many brands don't realize that cookie policies sit alongside your privacy notice and policy — they're a separate document. This matters because cookies, pixels, and tracking scripts work differently under laws like GDPR and CCPA than traditional data collection does.
Your cookie policy specifically discloses what tracking technologies you use and why. If you're running Google Analytics, Meta Pixel, Klaviyo email tracking, or Hotjar session recordings, each one needs to be listed. You also need to explain whether they're necessary (required for checkout) or optional (used for marketing insights).
From a Shopify perspective, you're likely using several cookie-dropping apps without realizing it. Your email marketing app (Klaviyo, Omnisend) drops cookies. Your reviews app drops cookies. Your loyalty program drops cookies. Your cookie policy needs to account for all of them, not just the big ones like Google Analytics.
The relationship works like this: your privacy notice is the overview document explaining data handling generally. Your cookie policy zooms in on one specific type of data collection — cookies and similar technologies. Your internal privacy policy documents how your team follows both of these promises.
If you're relying on a single "privacy policy" document to cover all three bases, you're creating confusion for both customers and your compliance team. Each document serves a different purpose.
What Happens When These Documents Conflict
Here's where things get messy in real eCommerce operations. You publish a privacy notice saying "we don't track your browsing behavior without consent." But then your developer integrates a new analytics tool and forgets to update the privacy notice. Now you have a documentation gap, and you're technically not compliant.
This happens constantly at growing eCommerce brands because tools get added faster than documentation updates. You add a new email platform, a new CRM integration, a new advertising pixel — and the privacy notice sits unchanged. Your notice becomes outdated within months.
The solution is treating your privacy documents as living documents tied to your actual tech stack. Whenever you add a new integration (even small ones), you need to update both your cookie disclosure and your privacy notice. Your internal privacy policy should document this workflow so someone on your team owns the responsibility.
For Shopify stores specifically, audit your apps quarterly. Check what cookies and data flows they create. Update your notices accordingly. This prevents the common scenario where you're audited and discover your actual tracking practices don't match your published notices.