Abstract: Disclosed are a method, device, and system for implementing network access, and a network system. The method comprises: in the case that a terminal requests to access a webpage, a server determining content of the webpage that the terminal requests to access; and the server searching for a webpage, used as a reference webpage, with relevant content matching the content of the webpage, and providing information of the found reference webpage for the terminal. The present invention can enable a user terminal to obtain multiple associated access results by performing webpage access once.