Concept of Cookies

Cookies Having Independent Partitioned State (CHIPS), also known as Partitioned cookies, enable developers to designate a cookie for partitioned storage, creating a distinct cookie jar for each top-level site.

What is cross site tracking?

Cross-site tracking allows companies, advertisers, and data aggregators to create comprehensive profiles of individuals’ online behavior by aggregating data from various sources.

The primary purpose of cross-site tracking is often for targeted advertising, as it enables advertisers to deliver personalized ads based on a user’s browsing history and interests. While this can enhance the relevancy of advertisements for users, it also raises concerns about privacy and data security. Many users are concerned about the potential misuse of their personal information, leading to debates and regulations aimed at protecting online privacy, such as the General Data Protection Regulation (GDPR) in the European Union and the California Consumer Privacy Act (CCPA) in the United States.

For example:

1. A user visits https://website-1.example, which embeds content from https://website-3.example. https://website-3.example sets a cookie on the user's device.
2. The user visits https://website-2.example, which also embeds https://website-3.example. This…