Our Website is now at the #1 Position on page one, for 10 important keyword searches and we want to make a major Website update to take advantage of these high page position rankings we have just received. We are in the top 10 for about 16 site-related keywords and we don't want to lose what we have just earned. If we make this major up date will we lose it all? If so how can we make significant changes and not lose our high page position rankings? Not sure how we got there but we did!