Last time checked on the Google Web Analytics report for a domain name, saw a number of pages that didn’t belong to the site:
/hacks/deliciouspoetry_web_biennial.php
Consulted help from Google Groups … this is because someone has copied the Google Analytics code (javascript code) onto their site. Why? Don’t know. Have not thought of any good reasons for [...]

Read the rest of Un-recognized Pages in Google Web Analytics Report