An apparatus capable of modifying and displaying content of a website displayed on a web browser includes a communication unit to transmit or receive data to or from a web server, a determination unit to analyze a protocol of a website received from the web server through the communication unit and to determine specific characteristics of the website, and a control unit to modify content of the website using information about the specific characteristics of the website and to display the modified content on a web browser. A web browser display control method includes determining the type of a protocol of an accessed website, determining specific characteristics of the website based on the determined type of the protocol, modifying content of the website using information about the determined layout characteristics of the website, and displaying the modified content on a web browser.