A first-party cookie is a small data packet generated, updated, and read by the website domain a visitor is currently viewing. It can preserve session context and help connect anonymous activity to a visitor’s account after sign-in. section 6.2
Common uses include:
- Remembering items in a shopping cart during checkout. section 6.2
- Linking a flight choice made before sign-in to an airline customer’s account. section 6.2









