why Google Analytics?

apart from that

- it’s free

-we (agency) are familiar with it

when you have to convince your client that Google Analytics is GOOD

show them this article!

“… is already used by one third of the top 500 websites in the world.”

http://royal.pingdom.com/?p=300

update Jun11

here’s a summary of site analytic tool, a good overview

http://www.invesp.com/blog/seo/top-15-site-analytics-tools-to-help-optimize-your-site.html