The purpose of this study was to investigate the relationship between web site commitment and royalty according to sports information web site properties. The subjects of this study were Taekwondo players who are members of the Korea TAekwondo Association, as of 2011. Using convenient sampling method samples of 820 were collected and among them 789 were used for the final analysis. Questionnaires based on self-administration method were used for the research tool and collected data were processed using PASWSTAT18 for the purpose of data analysis. Statistical methods employed in this study were frequency analysis, factor analysis and multiple regression analysis. The results were as follows. First, sports information web site properties had an effect on web site commitment. Second, sports information web site properties had an effect on web site royalty. Third, web site commitment had an effect on royalty. In conclusion, sports information web site properties were shown to have a significant influence on website commitment and royalty.