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What Is “Do Not Sell or Share” — And Do I Need It?

“Do Not Sell or Share My Personal Information” doesn’t just apply to data brokers. It often applies to normal websites that run ads, analytics, or tracking scripts.

This guide explains how the “Do Not Sell or Share” requirement works in practice and when websites commonly need it. Informational only — not legal advice.

1. What “sell or share” really means (plain English)

Under modern US privacy rules, “selling” data doesn’t always mean receiving money. Sharing personal information with third parties — such as advertising platforms, analytics providers, or marketing tools — can qualify as “sharing”.

2. Why normal websites trigger this requirement

Many sites unknowingly share data through:

3. Why having the link reduces compliance risk

Providing a visible “Do Not Sell or Share” link shows that your site acknowledges user choice and data rights. Even when not strictly required, it’s widely used as a risk-reduction and trust signal.

4. Where the link should appear

Most compliant sites place the link:

Websites with vs without “Do Not Sell or Share”

Websites with the link

  • Clear opt-out mechanism
  • Stronger user trust
  • Lower audit and ad-review risk
  • Aligned with CPRA expectations

Websites without the link

  • User rights unclear
  • Higher perceived data risk
  • More scrutiny from advertisers
  • Frequent compliance scan flags

In practice, adding the link is often easier than proving it isn’t required.

Related US website compliance & lawsuit risk guides

Frequently asked questions about “Do Not Sell or Share”

What does “Do Not Sell or Share” actually mean?
It allows users to opt out of their personal information being sold or shared with third parties, including ad and analytics providers.
Do I need this link if I don’t sell data?
Many sites add it anyway if they use ads, analytics, or tracking tools that involve data sharing.
Is this only for California-based businesses?
No. It can apply based on who you serve, not just where your business is located.
Is this legal advice?
No. This page is informational only.

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