The present invention relates to a server, a terminal, and a method for raising the efficiency of caching in a web environment, and particularly to a server, a terminal, and a method for determining whether caching is used or not by using a time stamp to decrease the number of transmissions of a file and to raise the efficiency of caching because, with regard to additional files generated by using a source file uploaded from a user terminal, it is possible to upload the source file later again in a web environment.
플라스틱제 상자patents-wipo patents-wipo