Just a very short message to direct you to my article on statistical significance over on the Kissmetrics blog. The emphasis is on intuitive means to understanding the key ideas.
Check Out My Guide to Statistical Significance on Kissmetrics
Fun, example-filled guide, aimed at building intuition
More Articles: Click here for full archive
Canonicalization, Robots, and Redirects
Rich snippets and all the basics about keywords in title tags, URLs, etc.
SEO-ed *text* enters you into the main event, but you might also want to compete in Google’s alternative races, such as Google Images, Google Videos, or Google Maps.