Commonly we getting a backlink from social bookmarking, article submission, etc,. so our website page and domain authority increase.
but if someone put our website link them site we get more attention from search bots.

But how someone put our website link them site? maybe someone does but we need a large number of links. so we create some dummy websites from who provide free website building option, for example, Wix, Weebly so we can put our website those dummy sites this method called Web 2.0