Hello guys, I have a site ( not a money site , a presentation site of my bussines ), i was first in top of google on my keywords. I made a blog ( site.com/blog ) and a store ( store.site.com ) . I have used some fivver gigs and do some blackhatseo and then Google came with updates ( penguin ) and i lost my site ..now it can be found in fist 10 pages . I made another and another and tried to go on top with them . With one i've done it. The problem is with store . I think he is not indexed well . I know some SEO , but something doesen't seems to be good because of domain witch is hited by penguin update. Would be better to buy a new domain and move the store ? and the subdomain (store.site.com ) remain just a mirror , a redirect ?