[Problems that the user is to provide a method, while retaining the desired content in place on a web page still selectively block the content from third-party sources undesirable. A1 The present invention provides a method, computer program and system for preventing the loading of the content from the source browser is undesirable. The method according to an embodiment of the present invention, the Internet protocol alternative, and the step of selecting an area of the web pages containing undesirable content, the host name of the web site on the basis of the profile, provided the undesirable content I and the step of re-displaying the step of replacing the (IP) address, the web page content from the IP address the alternative is displayed within the selected area of the web page. [Selection Figure Figure 2
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