We talk a lot about search engine rankings, referrals and robots on this website, but how do these things actually work? What process does a search engine go through to determine how pages rank for a particular keyword?
Modern, industry leading search engines like Gooogle, Yahoo and MSN search are all far more complex than what we're going to cover here. That being said, they are based upon the same basic principles that we'll cover. The major differences lies in the complexity and scale of each step.