This cookie collects information how the users use the website of the Company such as the information of the pages which are visited by the users most. This data helps the Company to optimize its website so that the users can search that website more comfortably. This cookie does not collect any information of the users. Any and all the information collected by this cookie will be processed collectively and the anonymity will be guaranteed.(Examples of performance cookies)∘ Web analysis: provide statistical data on the ways of using website∘ Advertisement response fee: check the effect of advertisement of the Company∘ Tracing affiliated companies; one of visitors of the Company provides anonymously feedback to the affiliated companies∘ Management of error: measure an error which may occur so as to give a help for improving website∘ Design testing: test other design of the website of Company