Once more, like books… the main consideration is how up to date the information is. Here are some guides that are great for those looking for great information online; * Beginners guide to SEO - SEOmoz * Local small business SEO basics – by Sugarrae * Bloggers guide to SEO - by Aaron & Giovanna Wall * 11 Experts on Link building – From Sugarrae * SEO Theory guides - SEO Theory * SEO guide to information architecture - Audette Media * 5 Easy SEO tips for your website (video) - Search Marketing Gurus * FireHorse guide to Google personalized search - Firehorse Trail There are many more out there but these are some that are truly worthy for anyone getting around the waves of the search marketing ocean. If you know of others, feel free to leave them in the comments and I’ll add them to the list.