Link - oh, how many wonderful words in this word ...
Optimizers know how important are (inbound links) for a successful online marketing campaign. Not to mention the fact that links to your website are the basis of Google's rating.
But reference references carry a deeper value. This is not just the head of the search results.
Below is a look at the link from different sides. On the part of search engines, on the part of optimizers and sales specialists: ')