by S. Housley
According to Matt Cutts, there are over 100 factors that affect search engine ranking. For those of you who don't know, Matt is a Google guy guru, he is employed by Google but writes an independent blog and shares information related to Google and search engine optimization. Unfortunately, of those 100 items that account for search engine ranking, there are only a few that webmasters can actually control.
Unless you are a interested in an exercise of futility, it is important to only focus on those ranking factors that you, as a webmaster, can control and influence.