Method and system for billing of internet advertising

The present invention relates to Internet advertising billing system for processing billing through the rational issued cookie for the generation of the click fraud against an ad served to a web site (Website). Internet advertising billing system of the present invention is issued when issuing a first cookie identifier and the issued time recorded for the access of the Internet user to a web site, an ad is displayed on the terminal of the Internet user, and the ad click information is received, the 1 if it is determined that the cookie is issued from the time has not passed the predetermined time is set so as not to process the billing. When the issued time from the first cookie is issued determines that the expiration of a predetermined period of time is issued for the second cookie is set to charge only once for duplicate clicks the Internet user terminal in a session time, and clicks on an ad served in a session time When this occurs is set not to process the billing. As a result, the Internet user after the initial site access charges are determined after a certain period of time has elapsed since the unjust advertisers, so click Duplicate in the session time is set as well as a reasonable accounting for the intentional duplicate clicks by deleting or editing of cookies, even once the billing It makes it possible to prevent the advertising expenses. Internet, advertising, accounting, cookies, click, CPC, CPV