In 2007, Google introduced a marketing campaign versus compensated links that transfer PageRank.[23] On June 15, 2009, Google disclosed they experienced taken actions to mitigate the results of PageRank sculpting by use of the nofollow attribute on hyperlinks. Matt Cutts, a well-recognised application engineer at Google, introduced that Google Bot https://derekf269qjk1.wikilinksnews.com/user