The IIS server logs looks something like this:
#Software: Microsoft Internet Information Services 8.0 #Version: 1.0 #Date: 2016-04-19 00:47:15 #Fields: date time s-sitename s-computername s-ip cs-method cs-uri-stem cs-uri-query s-port cs-username c-ip cs-version cs(User-Agent) cs(Cookie) cs(Referer) cs-host sc-status sc-substatus sc-win32-status sc-bytes cs-bytes time-taken
This simple to use tool parses those logfiles and creates a html file that opens in the web browser and presents the data in a nice simple way complete with graphs.
Download “WebLog Expert Lite” for free.
Source: WebLog Expert Download