It’s a cluster****.
Really – that’s the best way to describe it. There’s no other way to describe it at this stage. It’s a complete and utter mess, and right now everything is inconclusive. I mean you have:
Completely crappy EMD websites still ranking #1 for their primary keyword.
Completely crappy EMD websites affected by this.
Very good EMD websites unaffected.
Very good EMD websites dropping a few numbers in rankings(ie: #1 to #5).
Very good EMD websites dropping completely off the radar.
On top of that you have some EMD websites that have lost ranking for their primary keyword but still killing it in longtails. Then you have the opposite – EMD websites that have lost ALL their longtail traffic, but still ranking for their primary keyword.
read more Googles September 28th EMD Update | Dealer Dan’s Affiliate Bible