Google

• Remove site from Google SERPs – You can instruct us not to include content from your site in our index or to remove content from your site that is currently in our index
• Add your site – We add and update new sites to our index each time we crawl the web, and we invite you to submit your URL here. We do not add all submitted URLs to our index, and we cannot make any predictions or guarantees about when or if they will appear.
• Webmaster guidelines – Following these guidelines will help Google find, index, and rank your site. 
• Google-friendly site – Our webmaster guidelines provide general design, technical, and quality guidelines. Below are more detailed tips for creating a Google-friendly site.
• Webmaster central – Welcome to your one-stop shop for comprehensive info about how Google crawls and indexes websites.
• Google Base – Simply describe your items on Base to make them as easy as possible for people to find when they search.
• Google sitemap generator for Wordpress – This plugin generates a XML-Sitemap compliant sitemap of your WordPress blog. This format is supported by Google, YAHOO and MSN Search.
• XML Sitemaps – Our Sitemap Generator now supports sitemaps in ROR format (both Free Online version and Unlimited Standalone generator).
• Google’s python sitemap generator – The Google Sitemap Generator is a Python script that creates a Sitemap for your site using the Sitemap Protocol. This script can create Sitemaps from URL lists, web server directories, or from access logs. In order to use this script:
• Gstories – Gstories is a source for what’s new and interesting about Google(TM) & other search engines
• PhpBase – PhpBase is a set of Open Source classes and functions that help developers on submiting their data sources to Google Base.