Just one week before, I used to rank at 1st place in MSN for "pertusis disease". I don't what happened now its nowhere to be found. Recently I made some changes to the site. I added 17 new subdomains. Should I avoid subdomains? My site has PR5 but still gets very few visitors. Suggestions would be helpful. The website url is know-heart-disease.com and also forums.know-heart-diseases.com
It's amazing. It is back at position 4 for pertusis and 5 for pertusis disease. I don't know how it is back. I think this is what they call search engine dance! I have heard of google dance but not of msn dance.