A link placed in a fragment of textual content into which it fits within the meaning is considered contextual. That is, has an adequate anchor, which looks natural when reading text. If the link is unencorn, then its use is explained by the round-the-link text. Most often, this is a review or recommendation.

Contextual links are well suited for natural formation reference profile, because, in addition to the conditioned use in textual content, they do not close to indexing by search engines and are better tolerated reference weight

They are also a great source traffic, since most often they bring representatives to an advanced website target audience

Contextual links have a higher cost than their other species, but this is more than justified, given their advantages both for promotion in search engines and for attracting traffic.