Guides, demos and tools to help you understand how cookies work:
- What are cookies?
Understand HTTP cookies: how they're set by a server, and sent by a browser. - What are third-party cookies?
A third-party cookie is from a site that's different from the site you're visiting. What does that mean in practice? - Cookie attributes
Cookies can include attributes to control if they're set, and when they expire. - HTTP request and response
The web uses the HTTP protocol to transfer resources, and set cookies. How does that work? - Cookie blocking
Cookies can be blocked by browser design, Enterprise policy or user choice. This guide explains how. - Cookie tools
Chrome tools to help you understand cookie usage on your site. - Cookie demos
Demos of first-party cookies, third-party cookies, and cross-site tracking.