In preparing for today's webinar, we came across this fantastic infographic regarding search engine optimization (SEO). It's worth noting that this chart is about one year old and that Google et al. are constantly updating their search ranking algorithm. However, this graph does an excellent job at showing the vast variety of factors in play. Kudos to the guys at SearchEngineLand.com and their partners below!
Click here to view the full version of the graphic below with more detail descriptions.