Define SEO. Webmaster Guidelines - Webmaster Tools Help. Following the General Guidelines below will help Google find, index, and rank your site.
We strongly encourage you to pay very close attention to the Quality Guidelines below, which outline some of the illicit practices that may lead to a site being removed entirely from the Google index or otherwise affected by an algorithmic or manual spam action. If a site has been affected by a spam action, it may no longer show up in results on Google.com or on any of Google's partner sites.
How important is it to have keywords in a domain name?