Posted by rjonesx.
I’m Russ Jones, Adjunct Search Scientist with Moz, and I’m proud to announce that this month we’ll be releasing a terrific update to our metric, Page Authority (PA).
Although Page Authority hasn’t attracted the same attention as its sibling metric Domain Authority, PA has always correlated with SERPs much better than DA, serving as a strong predictor of ranking. While PA has always fluctuated with changes in the link graph, we’re introducing a whole new method of deriving the score.
Long gone are the days of just counting backlinks a couple of ways and hoping they correlate well with SERPs. As Moz tends to do, we’re pioneering a new manner of calculating Page Authority to produce superior results. Here are some of the ways we’re changing things up:
In the past, we used SERPs alone to train the Page Authority model. While this method was simple and direct, it left much to be desired. Our first step in addressing the new Page Authority is redefining the training set altogether.
Instead of modeling Page Authority based on one page’s ability to outrank another page, we now train based …read more