How to Add CCPA "Do Not Sell" Links to Your Ecommerce Site

Sarah BrownSarah Brown
3 min read

That required CCPA link isn't just legal text - it needs actual functionality behind it. Here's how to implement it properly.

Building ecommerce sites means handling tons of personal data. Email capture, checkout flows, analytics, abandoned cart recovery - every feature collects something. But if you're serving California customers, CCPA compliance isn't optional.

The Developer's CCPA Challenge

The technical requirements everyone misses:

The "Do Not Sell My Personal Information" link can't just be decorative. It needs to actually stop data sharing with third parties. This means:

  • Disabling certain analytics tracking

  • Stopping data feeds to advertising platforms

  • Updating cookie consent mechanisms

  • Modifying email marketing integrations

The Implementation That Actually Works

Most developers do this wrong:

// The broken approach
<a href="/do-not-sell">Do Not Sell My Personal Information</a>
// Links to a static page with no functionality

The compliant implementation:

// Proper CCPA implementation
const handleDoNotSell = () => {
  // Disable data sharing
  gtag('config', 'GA_MEASUREMENT_ID', {
    'anonymize_ip': true,
    'allow_ad_personalization_signals': false
  });

  // Update user preference
  localStorage.setItem('ccpa_opt_out', 'true');

  // Stop third-party data feeds
  disableThirdPartyTracking();

  // Update email marketing flags
  updateEmailPreferences();
};

The Data Flow Mapping Challenge

Before you code, map your data:

  1. What personal info does your site collect?

  2. Which third parties receive this data?

  3. How can users control each data flow?

  4. What happens when they opt out?

Common ecommerce data flows:

  • Google Analytics → Advertising optimization

  • Email platforms → Marketing automation

  • Customer service tools → Support optimization

  • Review platforms → Social proof systems

  • Payment processors → Fraud prevention

The Technical Architecture That Scales

Build privacy controls into your data layer:

// Privacy-first data collection
const trackEvent = (event, data) => {
  const userPreferences = getUserPrivacyPreferences();

  if (userPreferences.analytics_allowed) {
    analytics.track(event, data);
  }

  if (userPreferences.marketing_allowed) {
    marketing.track(event, data);
  }

  // Always respect opt-out preferences
  if (userPreferences.ccpa_opt_out) {
    return; // Don't share with third parties
  }
};

The Customer Request Handling System

You need to handle these programmatically:

  • Data access requests (what info do you have?)

  • Data deletion requests (remove everything)

  • Opt-out requests (stop selling data)

Build APIs that can:

  • Search across all data stores

  • Generate comprehensive user data reports

  • Execute deletion across all systems

  • Update preference flags instantly

Common Implementation Mistakes

Watch out for these issues:

  • Static "Do Not Sell" pages with no backend functionality

  • Cookie banners that don't actually control data sharing

  • Incomplete data deletion (missing backups, logs, analytics)

  • Hardcoded integrations that can't be disabled per-user

Getting the Implementation Right

The systematic approach:

  1. Audit all data collection points

  2. Map third-party data sharing relationships

  3. Build granular consent controls

  4. Create automated request handling

  5. Test the entire opt-out flow

Detailed technical guide: This CCPA implementation guide for ecommerce covers the specific technical requirements and code examples for online stores.

Developer discussion: What's the trickiest part of CCPA implementation in your stack? Drop your questions below - we're all figuring this out together.


#CCPA #WebDev #JavaScript #DataPrivacy #Ecommerce #Frontend #API #UserConsent #PrivacyTech #LegalTech

0
Subscribe to my newsletter

Read articles from Sarah Brown directly inside your inbox. Subscribe to the newsletter, and don't miss out.

Written by

Sarah Brown
Sarah Brown