GOOGLE ANALYTICS is a tool for web masters and marketers to track, analyze and make decisions on thei web-site's performence. All you have to do is paste a litle peice of code into your <head> </head> section and Google analytica will do te rest! Reports are specificly generated for webmasters, marketers and content optimizers. Marketers can assign goals and mesure their Google AdWords performence, convertion rates ect. The interface is great and graphs and pie charts are excellent and load in a jiffy.( This Software Is So Cool that even Xisto uses it!) the address is: "google.com/analytics"