Web services quality refers to: “the conformance to explicitly state functional and performance requirements, explicitly stated development standards, and implicit characteristics that are expected of all professionally developed software” (Solano et al., 2003: 67). Quality includes product effectiveness characteristics such as; timeliness, functionality, reliability, usability, efficiency, maintainability, and probability. It focuses on improving the quality of all functions, systems, processes. It aims to eliminate undesirable outputs and get production closer to profit and customer satisfaction (Schwartz, 2005).