Google Webmaster Central launches

Google Webmaster Central: "Your one-stop shop for comprehensive info about how Google crawls and indexes websites. You can learn here how to ensure that your site is easily crawled and indexed and access tools that will enable you to diagnose crawling issues, study statistics on how your site is doing in our index, and tell us how you'd like your site to be crawled and indexed. "

Link:
http://www.google.com/webmasters/