function of Cross linking?

Cross linking is used to refer the process of linking one site to another site and provide a way to allow the accessing to it.

It doesn’t need to be owned by the same person as it provides the methods that have been be built on the Internet.

 It provides the users with reference sites that consist of the contents similar to the viewing of the site of the document with certain defaults.

 It serves the purpose to display the page on the search engines using search engine optimization techniques and methods.