Tuesday, January 28, 2014

Web Traffic Analysis

While Google Analytics are great for traffic analysis, they show you a particular version of reality. Google tracks using javascript & attempts to track unique visits, which isn’t 100% reliable, but still gives a good idea about real world traffic through your site.

At the other extreme are your web server log files which, if switched on, will contain an entry for every URL request made to your site. This gives a more complete picture of what the server has actually been doing.

Looking at the raw logs isn’t much use, however, being just massive lists of dates, times & URLs. Something is needed to process these and provide an overview. My boss just sent me a link to an old favourite of his that I’ve not used before: Analog is a simple, free log analysis tool that understand IIS log files, for example, out of the box.

It’s simple to get going. Full instructions are in the how-tos, which are also included in the download, but you basically download, unzip & fiddle a couple of settings in a configuration file. The exe then processes the raw logs and burps out an html report file with images.

There might be more sophisticated tools available, but this one’s so easy it’s a good one to begin with.

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