Operation status of Lecture Support System is reported based on operation data such as web server access log or certification server. It summarizes in 16 graphs how this system is operated. Access count of syllabus pages or summary page of student's unit acquisition situation, load average of web server when many accesses are concentrated, and the number of users of computer network for terminal connection are included. It is important to analyze operation data in order to check that the system is used appropriately. The validity of some system requirement can be checked by analyzing operation data.