There is no substitute for common sense. Admit your fallibility but don't wallow in it. All of us are imperfect and could use further knowledge. There is no substitute for gumption. If you are on the Internet, you are privy to information that is only kept from you if you don't go out and get it.
Search engines abound.
Type something in and find out about it. This includes web page building, HTML coding, applets. Anfy is not the only applet company out there. It just happens to have a program that makes applet construction and display very simple. This is a good thing and a bad thing.