The usability evaluation study of the university library websites

Library websites are the platforms that libraries extend their services to. In addition to concerning the contents of library websites, their easy understanding and flexible usage are the most important issues that are liable to disregard their critical effects on library web sites design. Library websites of poor usability will frustrate users' aspirations for libraries services. In this research, based on user centered design, we apply various methods of system usability scale, usability testing, think aloud and interview to evaluate the usability of university library websites. We also apply system usability scale to measure the users' satisfaction about library websites. By the results of quality and quantity analyzed usability data, we will disclose the diversity of usability for distinct discipline users and modifiable defects of the studied library website. We take experimental testing on modified web site to verify the effectiveness of the evaluation process of usability. We have the result that users take about less 56% time to accomplish the assign tasks in average. And the system usability scale measurement of the modified web is superior to the original one.