Element Internet resource pages, the result of interaction with which is the redirection of the web user to another page (within the same resource or beyond).

The link consists of:

- anchora - a content element displayed to the user, when you click on which the transition takes place;

- addresses of the target web resource attached to the anchor.

Both a fragment of the text and a graphic image (static or animated).

Text links are usually highlighted in a color different from the main font used and are emphasized when you hover over them. After the transition, it is painted in the third color option, used to denote the links with which the interaction has already occurred.

Link is the main tool that affects the formation of indicators authority a web resource assigned to it by search engines. Using the link, the static is transmitted weight from page to page by creating external and internal skipping.

Selling links is one way to make website owners with a certain level attendance and authority. Unfortunately, many of them completely forget about the need to create in pursuit of superprofits SDL and their resources turn into link wash, simply "contaminating internet.