What log data analysis can bring you

Definition:

A log file is a file created by a web or proxy server which contains all of the access information regarding the activity on that server.
(source)

From this data you can see how often your pages were accessed, which pages are most popular, from which hosts the requests come, which other sites refer to your pages, whether search engine robots like Google have indexed your pages, what kind of browser and OS your visitors use etc.

All this information can be very useful to a site owner.
But it is not easy

1. to obtain this data
2. to profit from the information contained in it.

The Log Suite help you use it.