Direct URL for UPS shipment tracking:If any value is provided for the “track” parameter then the confirmation page is skipped and the user goes directly to the tracking page.  If you’d rather send the user to the confirmation page then just omit that parameter.Direct URL for FedEx shipment tracking:Direct URL for USPS shipment trackingDirect URL for DHL US shipment trackingDirect URL for DHL Global shipment trackingDirect URL for OnTrac shipment trackingDirect URL for ICC World shipment trackingDirect URL for LaserShip shipment trackingTaken from