Anonymously providing purchasing analytics associated with customer to a website while the customer is accessing the website. Specifically, a financial institution, having access to a customer's transactional data, can analyze the data to determine analytical purchasing data. Once the customer authenticates themselves at a financial institution website, a networked application or the like, an anonymous cookie that is configured to identify the analytical purchasing data is generated and stored in the web browser cache. In response to the customer using the device to access a website that displays advertisements, the anonymous cookie is retrieved from the web browser cache and the analytical purchasing data is provided to the website. In specific embodiments of the invention, the website uses the analytical purchasing data of the customer to determine which of the plurality of advertisements are to be displayed to the customer while they visit the website.