The pixel tag may also see or read cookies. Tristar Products may use pixel tags in order to measure and understand traffic better, improve site performance, track visitor behavior to improve user experience, and for tracking promotional and marketing campaign response, among others. <br> <br>We may contract with third-party vendors, who act on our behalf, to serve ads to our customers via the internet or to send directly to customers whom we think may be interested in our products or services.