You have to carefully manage your backlink profile is a crucial part of your promotion. Simply checking DA or Alexa rank or niche of an acceptor-site isn’t good enough on its own. Backlink analysis can drive targeted traffic to your site and do it steadily (just the way Google loves it). Furthermore, managing your backlink profile can give you an insights on where to move next, which direction to choose for your further growth.
Internal linking is important too for 2017. Read about effective internal linking for a long term seo strategy here .