Patent ID: 7725487

Claim:
A content synchronization system of similar Web pages comprising: a basic Web page specify portion that receives an identifier of a basic Web page as a Web page to be a basis of display and specifies the basic Web page; a compared Web site specify portion that receives an identifier of a compared Web site as a compared object of the basic Web page and specifies the compared Web page; a keyword extract portion that extracts a keyword in the basic Web page specified by the basic Web page specify portion; a similar Web page finding portion that specifies one or multiple similar Web pages that are similar to an entire part or a part of the basic Web page in the compared Web sites based on the keyword extracted by the keyword extract portion; and a Web page display control portion that displays the similar Web pages specified by the similar Web page finding portion together with the basic Web page and synchronized with an operation to the basic Web page, wherein when the operation is performed by a user on the basic Web page, the Web page display control portion displays in a synchronized manner a same type of operation being performed on the similar Web page.