Best sites I recommend for anyone seriously interested in understanding search engine optimization, search news and trends.
Search Marketing and Search Engine News
Searchengineland is steered by Danny Sullivan , an authority on search. Search news, webcasts and conferences are the highlights.
Search News and Trends
The thoughts of John Battelle, author of The Search. More than 145K subscribe to his posts.
Search Marketing Tips and Search News
Searchenginewatch is one of the most authoritative sources of information on search engines. Has a good forum.
Seo Tools
Headed by Rand Fishkin, Seomoz offers a number of tools and resources
Search Engine News
Edited by Loren Baker, a search marketing veteran.