The State of Links: Yesterday's Ranking Factor?

It is explained in the blog about how the whole purpose of links and Page Rank reflects appropriate traffic. He also explained about
1. The horse's mouth
2. Third-party correlation studies
3.The real world: Why do rankings change?
Read more: https://moz.com/blog/state-of-links
1. The horse's mouth
2. Third-party correlation studies
3.The real world: Why do rankings change?
Read more: https://moz.com/blog/state-of-links