All About Content - Melanie Phung about search engines, search optimization, online marketing, and other Web-related things.
Andy Beard - Internet marketing, and comments on related subjects.
Ant Onaf - Technology, search engine optimization, internet marketing, online advertising, blogging, and content writing.
BPWrap - Barry Welford's weblog on internet marketing and business from a global perspective.
ConvertUp - Articles on site development and promotion strategies, especially usability and SEO.
Copyblogger - Copywriting advice for bloggers and online marketers.
Cre8pc Blog - Kim Krause Berg writes about usability, SEO/SEM, web development, search engines, Cre8asiteforums and Internet life.
Daily Domainer - Weblog about the domain name trading business.
Dan Wegner - SEO, including videos.
The Domainer's Gazette - News and commentary on the domain name trading business.
Dosh Dosh - Internet marketing blog with emphases on social media and tip lists in general.
10e20 - Group weblog with a spectrum of website marketing and design tips.
Entrepreneurs Journey - Ideas about starting Internet businesses, from a young Australian entrepreneur.
FreshBlogger - A weblog about writing and blogging for making money, building online community.
I Have Some Doubts - SEO and related subjects from a skeptical, contrarian viewpoint.
Improve the Web - Russian Internet marketer and usability consultant Yuri Filimonov advises on ways to improve websites and their search engine rankings.
iTamer’s Simple SEO - Sarah King gives her own perspective on the world of webmastering and search engine optimization, with a Kiwi flavour.
Jim Boykin’s Internet Marketing Blog - Jim Boykin on SEO, mainly linking strategies.
Justilien.com - Link building strategy tips.
Kichus - Thoughts on SEO, web analytics, and other webmaster concerns. From India.
Link Moses - Eric Ward on SEO link-building strategies.
The Link Spiel - Debra Mastaler shares her tips and techniques for link-building.
LocalMN Blog - Search engine marketing with a local focus, especially Minnesota.
Lonely Marketer - Internet marketing from the perspective of a small business marketing manager.
MarCom Writer Blog - Dianna Huff delivers news, riffs, and commentary on all things relating to B2B marketing communications.
Marketing Pilgrim - Andy Beal writes on search and internet marketing.
Marketing Shift - Online marketing, SEO, and related subjects. Claims to offer research data in support.
Marketingfan.com - Weblog about SEO and related internet marketing techniques.
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.
MindFyre - Sarcastic geek writes about websites, blogging, technology, marketing, and promotion.
Oilman - SEO, including some aggressive tactics.
Old Welsh Guy - Brings his own perspective to the world of search engine optimisation.
The OneBoxer - Tips on optimizing for Google OneBox.
Search Engine Roundtable - Marketing professionals represent their forums and ideas in one weblog.
Search Engine War - Search engine marketing commentary from Cornwall.
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.
Sebastian's Pamphlets - Technically-oriented SEO articles, with a focus on dealing with robots.
SEO Book - Aaron Wall offers search engine news, reviews of tools, and an ebook for sale.
SEO Buzz Box - Aaron Pratt posts SEO news and interviews with well-known figures in the world of search engine development and marketing.
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 for the Common Webmaster - Articles on various topics of web site promotion.
SEO Scoop - News, search engine optimization tips and theories, and links to some tools of interest, from DazzlinDonna.
SEO Theory - Theory and analysis relating to SEO.
Seocracy - Weblog focused on database-driven black-hat SEO.
Slightly Shady SEO - SEO with a focus on automation, including black hat.
Small Business SEM - Weblog about search engine marketing for small businesses. Includes interviews.
SoloSEO Blog - SEO tips for general web site owners.
Stepforth: The SEO Blog - Reports and comments on search engine news.
Stephan Spencer's Scatterings - About various aspects of online marketing and e-business.
Steve Hudgik's Internet Marketing Blog - SEO and SEM information and guides.
Stuntdubl - Information on internet marketing for consultants and affiliates.
Textlinkbrokers.com Link Building Blog - Opinions on link building.
ThinkBait - Chris Hooley's weblog, focused on SEO and booze.
TopRank - Offering web marketing news, resources and commentary. Posts by Lee Odden, founder of TopRankResults.com.
Traffick - Andrew Goodman and friends cover trends in search engines, search marketing and consumer portals. Also has a directory, article archive and newsfeeds.
Tropical SEO - Andy Hagans on search engine optimization.
The Viral Garden - Marketing weblog with a focus on internet marketing, especially weblog-based.
Web Professor - Weblog focused on programming for the web and online marketing.
WebGuerrilla - News, rants, opinions, and gossip from search engine marketing consultant Greg Boser.
Webmasterworld: Robots.txt - Brett Tabke experiments with writing a weblog in a text file usually read only by robots. Commentary on the world of search engine marketing.
Yack Yack SEO - Ironic articles on SEO
Yoast - SEO with a technical orientation, focussing on blogs and social media. From the Netherlands.