All About Content: Melanie Phung writes about search engines, search optimization, online marketing, and other Web-related things that strike her fancy.
B2B Website Marketing Blog: Bill Hartzer offers website marketing news, resources, and tips.
BPWrap: Barry Welford's weblog on internet marketing and business from a global perspective.
Cheezehead: Joel Cheesman's thoughts on internet recruiting and search engine optimization.
Cre8pc Blog: Kim Krause Berg writes about usability, SEO/SEM, web development, search engines, Cre8asiteforums and Internet life.
David Naylor: An exponent of no-holds-barred SEO chats about the world of search.
Gray Hat Search Engine News: A light-hearted romp through the world of search, making fun of search engineers and marketeers with an even hand.
Improve the Web: Russian Internet marketer and usability consultant Yuri Filimonov advises on ways to improve websites.
iTamer’s Simple SEO: Sarah King gives her own perspective on the world of webmastering and search engine optimisation, with a Kiwi favour.
Marciahoo: Search engine expert writes about SEO topics that catch her fancy.
Marketing Pilgrim: Andy Beal writes on search and internet marketing.
Martinibuster: Commentary on issues of interest to the search engine and internet marketing professional.
Mike Grehan Says: Musings on search marketing and flying around the planet networking from the author of Search Engine Marketing.
Old Welsh Guy: Brings his own perspective to the world of search engine optimisation. Ask him a question and he replies.
Online Marketing Blog: Offering web marketing news, resources and commentary. Posts by Lee Odden, founder of TopRankResults.com.
Pre-Commerce Blog: Thoughts on optimizing sites, traffic, and revenues from Craig Danuloff.
Screenwerk: Greg Sterling takes an interest in the relationship between the Internet and traditional media, with an emphasis on the local search marketplace.
Search Engine Blog: Peter Da Vanzo provides concise search engine marketing news.
Search Engine Lowdown: Garrett French offers search engine news and SEO tips, commentary and analysis.
Search Engine Optimisation News: Matt Paines brings news, information and innovations targeting the search engine optimization industry.
Search Engine Roundtable: Marketing professionals represent their forums and ideas in one blog.
Search Engine Watch Blog: News, insights and commentary about search engines.
Search Trends: Dave Bascom offers search engine marketing news and insight.
SearchRank Blog: Offering search engine optimization and marketing tips.
SearchViews: Dispatches and discussion on the search engine marketing industry, with coverage of related topics, from SEM firm RepriseMedia.
SEO Book: Aaron Wall offers search engine news, reviews of tools, and an ebook for sale.
SEO by the Sea: William Slawski muses on the inner workings of search engines, probes related patents and passes on other news of interest to webmasters.
SEO DotComicide: News and information about SEO, search engines and affiliate marketing from Patrick Deese.
SEO Scoop: News, search engine optimization tips and theories, and links to some tools of interest, from DazzlinDonna.
SEOBuzzbox: Aaron Pratt posts SEO news and interviews with well-known figures in the world of search engine development and marketing.
Stepforth: SEO Blog: StepForth Placement Services reports and comments on breaking search engine news.
Stephan Spencer's Scatterings: About various aspects of online marketing and ebusiness.
Steve Hudgik's Internet Marketing Blog: SEO and SEM information and guides for improving the results from your web site.
Stuntdubl: Information on internet marketing for consultants and affiliates.
The Link Spiel: Debra Mastaler shares her tips and techniques for link-building.
The Search Engine Blog: Janet Martin's thoughts on search engine optimization (SEO), and web marketing.
Threadwatch.org: Points out important, relevant forum threads for time-starved professional SEOs.
Traffick: Andrew Goodman and friends cover trends in search engines, search marketing and consumer portals. Also has a directory, article archive and newsfeeds.
WebGuerrilla: News, rants, opinions, and gossip from search engine marketing consultant Greg Boser.
WeblogsInc: Search Engine Marketing Weblog: Brad Hill shares SEM news and commentary.
Webmasterworld: Robots.txt: Brett Tabke experiments with writing a weblog in a text file usually read only by robots. Trenchant commentary on the world of search engine marketing.