The next date will expire. The owner usually renews every year its domain, but some prefer buying more than a year only. The date was registered for the first time. The registar is the authority where is registered. Server location specifies where it is physically. The IP of a server identifies it. It can be unique or shared between multiple sites. Domain age is a measure of how much a site is old. Older sites have normally more importance and are more trustworthy than young ones.
Analytic : Google, along with being the worlds largest search engine also provides many other great services. One of these provided services is Analytic. With a tiny code added to your site, Analytic allows you to track all user data on your site. A few of its free services are: