Here’s my roundup of the best search/marketing posts during March. If you’re new to SBS, this is a monthly feature. You can find earlier “Best Of”s for each month in the archives. Only rule is that my own posts are not eligible.

Local Search

• Mike/SEL: A New Scourge For Yahoo: Affiliate Mapspam
• Cavan/eClick Performance: Yahoo Local Full of Affiliate Spam
• Bill/SEO by the Sea: Incomplete and Wrong Data in Google Local Search

Small Business

• Michael/Chiropractic Blogs: Google Blended Video Offers Small Business Marketing Opportunities
• Carrie Hill/SEW: 30 Free Ways To Market Your Small Business Site

SEO

• Andy Beard: Site Structure - SEOs Going Fishing Without Any Bait
• Vanessa Fox: SEO Is The Worst Thing Ever Invented

Link Building

• Adam/Audette Media: Link Building Fundamentals: A Primer
• Eric Enge/SEOmoz: So Many Ways to Pursue Links and So Little Time
• Sage Lewis/SEW: First SEO Link Building Rule: Never Buy Paid Links…Until Now
• Stoney/Pole Position Marketing: Link Building Secrets Revealed by Top Linking Experts

Blogs & Blogging

• Jennifer Slegg: 52 easy ways optimize your blog while on your coffee break
• Chris Garrett: The ROI of Business Blogging
• Linda Bustos/Problogger: SEO Tip: Almost 7 Ways To Re-Optimize Your Posts
• Jennifer Osborne/Search Engine People: How to Sell your Client on a Blog Strategy
• Chris Garrett: 41 Blog Success Tips from 10 Years of Blogging You Can Learn Today

Social Media

• Carsten/SEJ: Social Media Guide for Big Brand Corporate Businesses
• Chris Brogan: Social Media Starter Moves for Freelancers
• Maki/DoshDosh: 12 Must-Have Tools for Active Digg Users
• Jeff/Search Engine People: Using Digg to Get TV, Newspaper, Radio, and Magazine Mentions
• Reem Abeidoh/Social Impressions: IM Etiquette: 8 Tips from Top Social Media Users

Google

• Brian Ussery: New Google Spam Recognition Guide for Quality Rater Reviewed
• Jay Weintraub: Guilty Until Proven Innocent

PPC

• Jeremy Mayes/PPC Discussions: AdWords Quality Score FAQ
• Barry/Search Engine Roundtable: Landing Page Load Time Will Impact Google AdWords Quality Score

Search Tech

• Maile & Jeremy/Google Webmaster Central Blog: First date with the Googlebot: Headers and compression

LOL Funny!

• Todd/Stuntdubl: 15 Ways to Be a SEO Conference Douchebag

Rants

• Lisa/Bruce Clay blog: Jason Calacanis Is The Devil & SEOs are Children
• Richard/Apogee Weblog: Google’s Miserable Failure