Google Analytics is a great way to monitor site usage and traffic. You add Google Analytics to your site using the Google Analytics module, which is super simple to set up. After it's in place, you can go to the Google Analytics site and dig into a ton of data, create custom reports, etc.

But you can also use the Google Analytics API to pull Google statistics into your own site and display them there. There is a Drupal module, Google Analytics API that was created by Joel Kitching as a Google Summer of Code project. It provides a wrapper you can use to create tailored queries of your analytic data. You can turn on the included 'Google Analytics API Reports' module to display Google statistics in blocks or pages right on your site, and/or create custom code to suck in specific statistical data and do any Drupally thing you like with the results.

Drupal's default methods of handling user names, emails, and registration processing work pretty well out of the box for many web sites. Drupal assumes your users are online, have unique email addresses, and that you want to create a site that grows organically as users find it and register themselves. Drupal out of the box may not work so well for real-world groups of people where the group already exists and consists of specific people who may or may not be online, may or may not have unique email addresses, and may or may not be able or willing to register themselves on your site.

Some good examples of the problems I have run into are creating web sites for families, clubs, and churches, but the same problems exist for any other real world organization or group. They have established groups of members, some of whom may share email addresses or have no known email address. And in these cases the administrator will probably create user accounts for everyone rather than waiting for users to self-register. On top of that, we may want some control over usernames so that users can recognize each other once they do get online, by forcing the username to be FIRSTNAME LASTNAME.

This creates several problems that have to be overcome creatively. After several years of trying various approaches, here is a summary of the problems I ran into and the ways I eventually solved them. I have included links to the ones I discuss, with the number of downloads in the week of November 22 as a measure of how commonly used they are.