[tlubinski]

+1 for http://moz.com/beginners-guide-to-seo, I also liked https://thecoderfactory.com/posts/200-must-know-facts-on-seo and of course you should know your google tools: Google Webmaster Tools: https://www.google.com/webmasters/tools/‎

Google Adwords Keyword Planner: https://adwords.google.com/KeywordPlanner