Provided is a method of managing a keyword in a service server for providing a service, the method including acquiring a first set of keywords corresponding to a first server, checking whether each keyword in the first set of keywords corresponds to a dead link based on a landing page of the service corresponding to each keyword in the first set of keywords, updating status information of each keyword in the first set of keywords when each keyword in the first set of keywords corresponds to the dead link, and providing the updated status information of the first set of keywords to the first server.