First-party data refers to information that a company collects directly from its own customers or users. This can include data such as customer names, email addresses, purchase history, and website browsing behavior.

First-party data is often considered to be the most valuable type of data for companies, as it is collected directly from their own customers and is generally more accurate and reliable than third-party data (which is collected by other companies or sources).

By using first-party data, companies can gain insights into their customers’ behavior and preferences, which can be used to improve their products, services, and marketing strategies. For example, an online retailer may use first-party data to personalize product recommendations for each customer based on their purchase history and browsing behavior.

In a cookieless world, first-party data will become even more important for companies, as it may be more difficult to track user behavior through traditional methods such as cookies. Companies that have strong first-party data strategies will be better positioned to understand and engage with their customers in a privacy-friendly way.