customer services / application performance tracking solution / Web Application Performance Issues Long Before Customer User Experiences Are Impacted / travel sellers / Internet Applications / external monitoring network / travel industry clients / Web applications / Internet congestion / client application systems / travel technology marketplace / website monitoring solutions / integrated travel itinerary / travel industry / user experience using real web browsers / web experiences / insurance policy / web performance / distribution systems / performance measurement supplier / travel products / travel technology solutions / Internet user / reservation systems / /