System and methods for controlling access to internet content, comprising: a web-server; a client computer comprising a web-browser, communicating with the web-server over the internet; means for adding at least one characteristic of the client computer user to a web-page request sent from the client computer to the web-server; means for identifying the at least one characteristic of the client computer user; and means for selectively responding to the web page request, based on said at least one characteristic.