US Patent 10416970 Analysis device, analysis method, and analysis program

A program analysis unit of a browser emulator manager exhaustively searches a code by performing syntax analysis of a code included in web content to search a transfer code to another site or a content acquisition code, and specifies at least any of an object and a function and a property of the object used in the code found as a result of the search. Further, the program analysis unit extracts a code having a dependence relationship with the transfer code or the content acquisition code based on at least any of the object and the function and the property of the object thus specified.