Log files are nice when it comes to harvesting data about your site, but what about something a bit more related to the content of your pages? Well, DevArticles shows you how to create a system (easily adaptible) to format the statistical results of your tables into a clear, easy to read clustered bar chart.

Plotting the clustered bar chart is really simple, even if we have multi-columned information. The logic is organized in a way that it can be easily customized according to the requirements. I have given an idea how to implement this technique across multiple tables, especially in a tightly normalized database.

They give you a sample database structure, and all the code you will need to make this work. The real challenge will be to customize this table structure to what you need. As mentioned above, this can be quite useful in tracking user's preferred files, as well as when they are hitting those pages...