Log files yield information such as which files are requested, when
files are requested, who requested them, and where they were referred from.
The raw log file information can be helpful if you are looking for
specific information, but log file analysis software helps one to quickly
and easily view high-level trends. Log analyzers vary greatly in detail and
flexibility. Luckily, many companies offer free trial periods so you
can determine if the product fits your needs. Some companies even offer their log analyzers as freeware.