1. A method for indexing resource content in a computer network, the computer network comprising at least a first computer as a search engine and at least a second computer as a resource content site where a resource content of a user is stored, the method comprising: determining whether the resource content is linked to a user-defined indexing code, wherein the user-defined indexing code is used to process the resource content to obtain a set of information describing the resource content; and executing the user-defined indexing code in response to determining that the resource content is linked to the user-defined indexing code; obtaining, in response to the executing, the set of information describing the resource content as an indexing result.