This becomes a way that Google definitely recommended at one point, however, it became abused and overused via SEOs, so Google stopped passing as a whole lot fee from that kind of link. Over the years, Google has actively penalized the ratings of websites who've attempted such overuse of those techniques — frequently referred to as over-optimization — of their link building. This stepped-up equipment in 2012 with the first of many updates, which have become referred to as Penguin.
These updates targeted precise link-building techniques and
arguably modified link building for all time. From this factor forward,
low-quality link-building strategies could not only be a waste of time,
however, but they could also add significant harm to a website's ability to rank
properly in organic seek consequences.
HERE IS THE LINKS