The purpose of the present research is investigation of the theoretical relationship between the main variables of online exercise performance and their impact upon rendering service quality via internet. The statistical population was included of all fans of Tehran Esteghlal sport club, who electronically and via web site purchased the fans products and received information through club media. The tool for gathering information and data was a questionnaire standardized. The validity of it had been verified by 20 sport management experts. Its reliability had also been verified in (cronbach^, s a) %986 from. The data were analyzed by using the tests of 16 SPSS software and Lisrel in% 95 meaningful levels and %05 error levels. The results of the study showed that there is a meaningful relationship between the sport web site quality and interaction quality. There is a positive relationship between the sport web site quality and electronic satisfaction. At last, the explanation of relationship between web site quality, loyalty, and satisfaction is known as a meditative factor. This is an essential step in prediction of amount of user loyalty to sport web site. Totally, our model is in counterbalance with the data