Patent Document ID: 7610276
Application ID: 11534593

Base Claim:
1. A method for website access monitoring performed by a server that provides advertiser web pages to a user computing device over a network, the method comprising: the server receiving over the network from a user computing device a user specified search query; the server preparing a search response including a trigger script and at least one advertiser link, the advertiser link including a coded link to one of the advertiser web pages the server providing the search response to the user computing device; the server recognizing user activation of a first advertiser link by the user at the user computing device; the server receiving advertiser link selection information and a unique identifier sent by the trigger script from the user computing device; the server providing to the user computing device a first advertiser web page from an advertiser website and a hidden frame including a tracking script, the first advertiser web page corresponding to the first advertiser link; the server receiving a notification over the network from the tracking script on the user computing device when the user clicks on a link on the advertiser web page, wherein the notification includes a time, a web page identifier and the unique identifier; the server evaluating a page depth based on the web page identifiers included in a plurality of notifications received from the user computing device over the network, the evaluating including calculating the difference between time ordered user visits to advertiser web pages and a tally of the number of clicks made through the search response; the server tracking user access to the advertiser website based on at least the time and the unique identifier included in the plurality of notifications; the server identifying click fraud indicated by the page depth and a time between clicks; the server preparing a quality ranking of a plurality of advertiser website visits based on a computation of the time between clicks derived from the plurality of notifications.

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Claim 2:
2. The method of claim 1 , wherein the server receiving a notification occurs when an onload event occurs in the hidden frame.