Internet site access monitoring techniques are disclosed. A method may
include receiving a search query and preparing a search response. The
search response may include a trigger script and one or more advertiser
links. The search response is provided to the user. User activation of an
advertiser link may be recognized and advertiser link information and a
unique identifier may be received. An advertiser web page may be provided
to a user along with a hidden frame including a tracking script. A
notification from the tracking script may be received whenever the user
clicks on a link on the advertiser web page. The methods may be
implemented in software and executed on one or more servers and/or other
computing devices.