About access log collection and the use
This site is collecting visitor's access log.
These access log is used to grasp a use conditions of this site. It isn't used for the purpose of anything but that.
About Google Analytics
Google Analytics is being used for collection of access log and an analysis.
Without including the information which uses cookie by Google Analytics and specifies an individual, log is collected.
Further, collected log is managed based on a private policy of Google company.
Please see below about a private policy of Google Analytics and Google company.