Google today announced their own Search Engine Optimization Guide at the Official Google Webmaster Central Blog. Aimed at helping webmasters with their website's performance in Google, the Guide provides "a wealth of search engine optimization information" based on "best practices... that could improve... crawlability and indexing." The Guide covers many SEO topics, including: title and description META tags, URL structure, site navigation, content and image optimization, linking anchor text, robots.txt and much more, along with many links to other helpful resources and further information. Essential reading for anyone who designs websites or out-sources their SEO...
Google Search Engine Optimization Starter Guide .pdf