Deep link
Deep linking, on the World Wide Web, consists of making a hyperlink that leads to a specific page or image of another website, rather than leading to that site's home page. Links of this type are called deep links.
This link: http://en.wikipedia.org/wiki/Link_profondo is an example of a deep link. The URL contains all the information necessary to bring up a particular item, in this case the Wikipedia article in Spanish on deep links, instead of the main page at http://www.wikipedia.org/. > Deep linking y HTTP
The technology that supports the World Wide Web, the Hypertext Transfer Protocol (HTTP), does not actually establish any distinction between deep links and other links-all links are functionally equal. This is something intentional; one of the explicit purposes of the Web is to allow authors to link to any public document from another site. The possibility of so-called "deep" linking is, therefore, present in HTTP Web technology and the default URL-although a site may attempt to restrict such links, doing so requires extra effort. According to the Technical Architecture Group of the World Wide Web Consortium, "any attempt to prohibit the practice of deep linking is based on a misunderstanding of technology, and threatens to undermine the functioning of the Web as a whole." One way to prevent deep linking is to configure the web server to check the corresponding URL using a Rewrite engine. Use
Some commercial websites criticize other pages for deep links to their content because that means skipping the ads that appear on your home page or even make the content (embedded in a frame or similar) appear to be the "linker" and not the bound. That has led to the existence of lawsuits on the subject
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