Social signals are like inbound links, more links a site has linking to it, more it is seen by search engines as an authority for higher rankings. #plbkkt
Social signals are similar to the concept of inbound links wherein the more links a site has linking to it, the more it is seen by the search engines as an authority and the higher it will be ranked.Authority of these social signals are determined by sharing quality content in the form of updates, tweets,check-ins, pins, likes & +1sof high influence so that content weight is catalogued by the search engines after fine tuning big data clusters of social indicators that are deemed spam. SourceOfficially no, there is no official proof released or otherwise available that can guarantee or be held as proof to approve the warranty of website rankings determined by social signals.
Via Stewart-Marshall, OFFICIAL ANDREASCY, Josepf J Haslam, Sam