Prior to Google’s major shakeup of its search algorithms with Panda and Penguin, many optimisation techniques relied on link building through paid postings or submissions to article directories, blogs and forums.

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Even minor Google algorithm updates can have a major impact on the way that its organic results are calculated, which is why the uproar following the most recent alteration, is perhaps not that surprising to see.

  Various sites out there have suffered the wrath of a manually imposed ranking penalty, enforced by a human member of staff over at Google.