Recently I have opportunity to analysis web application logs. To analyze logs I will always preferred to use log parser because it can analyze different logs files types like IIS and other log files types. By using this tool, you can analyze multiple files by using queries from the files it be your application own standards. Log parser 2.2 is the command user interface(CUI). Log parser studio is the GUI version. If you want explore on the log parser, then download from the below links.