Beginner’s Guide to Third-Party Cookies

Most marketers rely on third-party cookies in some capacity to reach and learn about their target audiences. Now that Google has begun phasing out third-party cookies in Chrome — the world’s most popular web browser — we’re here to answer all your questions.

Use this guide to brush up on the basics of third-party cookies and learn how these recent changes could affect your digital advertising strategy.

Third-party cookies 101

A cluster of three users.

What Are Cookies?

We’re not talking about the ones with chocolate chips. Learn how web browsers use cookies to gather consumer information.

Read More
A shield with a checkmark emblazoned on it.

3PC History

Find out how other platforms have successfully deprecated third-party cookies and legislation has evolved to protect data privacy.

Read More
A queen and knight chess piece.

3PCs + Their Impact on Your Marketing Strategy

Cookies are crumbling — will the same happen to your retargeting campaigns? Learn how your strategy could change in a 3PC-less world.

Read More
A screwdriver and wrench crossed.

Post-3PC Tactics

Add these tools to your marketing tool belt to replace current tactics that rely on third-party cookies.

Read More
Two chat bubbles.

How to Talk to Your Ad Provider About 3PCs

Is your ad provider prepared to say goodbye to third-party cookies? Here are 10 questions you should be asking.

Read More
A bright lightbulb.

Prepare For a Post-3PC World

Download our guide to data strategies that don't rely on third-party cookies.

Get the Guide

Your partner in privacy

AdRoll is a market testing grantee for Google’s Privacy Sandbox initiative, which means we’re working hand-in-hand to build a future of secure, personalized advertising experiences.

Learn More
Google Privacy Center logo.