Google has recently made a major algorithm change (which is being referred to as the MAYDAY Google change) which has resulted to many website falling in Google’s ranking and indirectly to other sites sky rocketing, this blog is here to discuss and come to conclude what exactly happened, what was it that Google changed even though this is impossible to know for sure. It is possible to reveal/contemplate which sites Google devalued for their worthiness/trustiness as back link sites.