Natedog - 9:05 am on Oct 9, 2012 (gmt 0)

I am looking after a website with an EMD for the keyword too. the site sat on the 1st page of google for a while but then drop of the face of the planet! after a while it came back but then dropped again. I'm Positive over optimization is not the cause for the rank loss, but puzzled why it will fluctuate like that?

Only a beginner in the dark arts of SEO and still learning here