Google Webmaster Tools
Google Webmaster Tools allows you to be closely connected with Google. This is important since Google is the major search engine player, and is where a bulk of traffic to your site will come from.
Create a Google Webmasters Account
This video will run you through setting up a Google Webmasters account. This will give you access to the information Google knows about your site. This information will allow you to optimize your site and know if Google has any issues with how your site is set up.