An approach for determining repeat website users via browser uniqueness tracking includes receiving browser information from a server based on a browser accessing a website. The approach includes creating a browser identifier based on the browser information. The approach includes determining the browser is one of a new visitor and a repeat visitor to the website by comparing the browser identifier to other browser identifiers associated with the website. The approach includes transmitting a message to the server indicating the browser is one of a new visitor and a repeat visitor to the website based on the determining.