Guys, would you please share your strategies for optimizing highly competitive keywords? I need to know the time frame and effort needed for optimizing keywords. If possible answer to my questions below: 01. which keyword or words you would say low, medium and highly competitive?? 02. what would be strategies and approx. time frame would be to optimize a brand new site for a highly competitive keyword? 03. How many keywords should I target at a time for optimization? 04. What would be cost for this? Which software you suggest for seo purpose? My keyword is "hospital". I think competitor backlink analysis can be very helpful. But I tried to explore some backlinks of my competitors through Yahoo explorer but failed to figure out how they achieved backlinks!! Is there any software that can do it?