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In 2007, Google announced a campaign against paid links that transfer PageRank.[27] On June 15, 2009, Google disclosed that they had taken measures to mitigate the effects of PageRank sculpting by use of the nofollow attribute on links. Matt Cutts, a well-known software engineer at Google, announced that De zoekmachines https://jamesn850fln0.plpwiki.com/user

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