i have a optic store site http://www.opticstoreonline.com and i am continuously working as Development and seo part. from last 3 month when Google Cache my website it show very Good position of keywords before it cache on 1 sep 2010 that time my Keywords ranking showing these optic store online : 2 Prescription eyeglasses online :16 Prescription eyeglasses online Reviews :3 Prescription eyeglasses online :41 but now my site cache on 7 sep 2010 all keyword ranking gone. it not showing under 1000 and Google show those pages which are already remove my website. so i am very confused that what should i do from 3 month my Google Keyword Ranking Fluctuating Please Help
Check the latest backlinks and latest new pages from the website. Backlinks should be link to good website only.