Not everything that can be found on the Internet, you would like to show your family and children. Of course, you may not like it, if someone will use your Mac for viewing inappropriate content. But you can read, was there something like that. To do this, in your Mac there is Parental control, and we will tell you how to use it properly.
Open the system settings section and Parental controls.
In the lower left corner of the window you will see the lock icon. Click on it and enter the administrator password.
You can now make changes to parental control settings for different users. We are interested in the tab Web. In the lower right corner of this tab you will find a button Magazine.
Open the log and in the log tab of the Web you will be able to see which sites and when it was viewed by the selected user. You can view the journal not only Safari but other browsers such as Chrome.
By the way, parental control is in iOS.