1. A method of managing websites registered in a search engine in a search engine administration system, the method comprising: receiving, by an interface module, website information of a website; sorting, by a website registration module, the website information according to an information field; recording the sorted website information in a database; maintaining an adult keyword database that stores adult keywords; extracting a hypertext markup language (HTML) file of a web page of the website; extracting a redirection tag included in the HTML file by analyzing the extracted HTML file, the redirection tag comprising a target universal resource locator (URL); analyzing the target URL or a target HTML file corresponding to the target URL; extracting a character string within the analyzed target URL or target HTML file; searching the adult keyword database for an adult keyword corresponding to the extracted character string; and controlling a process for the website in response to an adult keyword corresponding to the extracted character string being found, wherein controlling a process for the website comprises taking measures against the website that has been determined to be an adult site when the website is not registered as an adult site.
1. A method of managing websites registered in a search engine in a search engine administration system, the method comprising: receiving, by an interface module, website information of a website; sorting, by a website registration module, the website information according to an information field; recording the sorted website information in a database; maintaining an adult keyword database that stores adult keywords; extracting a hypertext markup language (HTML) file of a web page of the website; extracting a redirection tag included in the HTML file by analyzing the extracted HTML file, the redirection tag comprising a target universal resource locator (URL); analyzing the target URL or a target HTML file corresponding to the target URL; extracting a character string within the analyzed target URL or target HTML file; searching the adult keyword database for an adult keyword corresponding to the extracted character string; and controlling a process for the website in response to an adult keyword corresponding to the extracted character string being found, wherein controlling a process for the website comprises taking measures against the website that has been determined to be an adult site when the website is not registered as an adult site. 7. The method of claim 1 , further comprising: determining, when the adult keyword corresponding to the extracted character string is found in the adult keyword database, whether the website corresponding to the adult keyword is registered as an adult site, wherein controlling the process for the website comprises taking measures against a registrant of the website that has been determined to be an adult site when the website is not registered as an adult site.