Citation Factor, Trust Factor And How They Relate To Domain Authority They actually don't relate to Domain Authority.  Domain Authority is a metric designed by Moz to help replace Google's Page Rank which used to be made available to the public but has since been discontinued or at least the public portion is no longer available.  Now Moz isn't the only company offering a replacement to Page Rank, Majestic came up with Citation Factor and Trust Factor.  You'd expect these two still somewhat relate to each other as they in theory are meant to portray the same thing but they