And God Said: Let there be no more Linkrot -- "If you want to loose your high placement ranking in search engines, just make a bunch of broken links. Your pretty much guaranteed that you will go down. But [and that's a big but, just kidding], most search engines respond very well to the Error 301 Status Code [permanently moved], so make sure you implement it, and keep up to date on your moved links." (Comments: Good information.)