Performance Cookies. Performance cookies, which often include analytics cookies, collect information about your use of the XZONE services and enable us to improve the way it works. For example, performance cookies show us what are the most frequently visited pages on our website, allow us to see the overall patterns of usage on the XZONE services, help us record any difficulties you have with the XZONE services and show us whether our advertising is effective or not. We also use cookies to help you navigate within our website and travel back to pages.