What makes a backlink move rankings.
PageRank still flows through links, but Google now weighs where a link lives as heavily as where it comes from. A citation inside the body of a relevant news story passes authority. A footer link on a directory does not, whatever its DA score says.
Before we count a placement, it has to clear four checks: the publisher shows real organic traffic in Ahrefs or Semrush, the linking page is indexed, the surrounding copy is relevant to your market, and the link was an editor's choice rather than a paid insertion.