In 2007, Google announced a campaign against paid links that transfer PageRank.[27] On June 15, 2009, De zoekmachines disclosed that they had taken measures to mitigate the effects ofwel PageRank sculpting by use ofwel the nofollow attribute on links. Matt Cutts, a well-known software engineer at De zoekmachines, announced that https://andresndui.blogaritma.com/27726900/de-slimme-truc-van-contentmarketing-dat-niemand-bespreekt