The search engine giant Google enjoys the majority of the search engine market share (72.17% - May 2010 Source:- Experian Hitwise) and thus optimising your site for Google actually covers most of your SEO efforts. Following are some helpful official resources from Google, Yahoo and Bing.
- Search Engine Optimisation Starter Guide [http://www.google.com/webmasters/docs/search-engine-optimization-starter-guide.pdf]
- Google Webmaster Tools Help [http://www.google.com/support/webmasters/?hl=en ]
- Google Webmaster guidelines [http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=35769]
- Google Webmaster Help group [http://groups.google.com/group/google_webmaster_help/topics?pli=1]
- Google Webmaster Help FAQ [http://sites.google.com/site/webmasterhelpforum/en]
- YouTube- GoogleWebmasterHelp's Channel [http://www.youtube.com/user/GoogleWebmasterHelp]
- Official Google Webmaster Central Blog [http://googlewebmastercentral.blogspot.com/]
- Yahoo! Search Content Quality Guidelines [http://help.yahoo.com/l/us/yahoo/search/basics/basics-18.html]
- Bing Webmaster Centre Help [http://help.live.com/help.aspx?mkt=en-au&project=wl_webmasters]
