Google Analytics

By customizing your JavaScript tag to collect intelligent metadata, you can significantly enhance the types of advanced analysis you do with your web analytics tool. For example, a newspaper publisher can

so that Harris can compare visitors to sales and compute the level of conversions.

You can capture data from your website in a number of ways. JavaScript tags are currently the most common method. You can also use web logs, packet sniffers, or web beacons.

Look at two reports: Referring URLs and Search Keywords. You will almost always be surprised at how people find you.