TechSoup uses Google Analytics to track site visits and other statistics. I’ve said for a while now that the more data you can get about people using your websites, the more you can translate these into requests for funding, staffing and other improvements in your institution. Elliot Harmon wrote a good article about the things to keep in mind as you start using these tools. I gave a few pullquotes for it: Site Statistics and User Privacy for Nonprofit Websites.