Welcome to WebmasterWorld Guest from 220.127.116.11
Forum Moderators: phranque
Search algorithms have evolved to include time rate of change of all variables.
Rate of change of links.
Rate of change of keyword density.
Length of domain registration.
Time new documents have have been established.
Rate of change of ranking in SERPS.
Think about it. There are only so many variables you can measure on a site. If you add time then the you double the number of things you can measure.