Seo seo friendly system Nofollow tag indexing visibility of contents High Visibility

Nofollow from instruction to search engines not to follow a link.

The nofollow tag is an indicator to explain to the engines not to attribute to a link that relief that would have been attributed to it. The links marked with nofollow are evaluated slightly different depending on the engine, but it is clear that they do not have the same importance of the normal links followed.