---- Matt Cutts Announces "Above The Fold" Algorithm Launch
tedster - 4:43 pm on Jan 20, 2012 (gmt 0)
Realistically, this update is targeting the worst offenders
Yes - and the fact that it affects the positions in only 1% of searches is about the same impact as page speed as a ranking factor. In other words, Google is using a rather finely targeted approach in this shift.