20 (More of the) Best SEO Guides, Tips and Insights of 2011
Webbiquity
FEBRUARY 13, 2012
7 Sure-Fire Signs Your SEO Sucks by HubSpot Blog. Example: “2.) use a simple URL structure, avoid session variables or docIDs, include an XML sitemap and a robots.txt file), content hierarchy and on-page factors, as well as “black hat” tactics to avoid. 90s SEO is not on that list.”
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