28 (of the) Best SEO Guides, Resources and Infographics of 2013
Webbiquity
NOVEMBER 26, 2013
Disappearing keyword data. While there is a great deal of data here, at a high level: backlinks remain the most important part of the algorithm (though quality matters more than quantity; on-page keyword usage is still fundamental; and social factors may be more correlational than causational with high rankings. Google Penguin 2.0
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