Spam is the biggest danger to organic and natural search engines like yahoo, whose intention is to offer quality search results for keywords and phrases or phrases entered by their users. Google's PageRank algorithm update ("BigDaddy") in February 2006—the ultimate phase of Google's significant update ("Jagger") that commenced in mid-summer https://eduardoauoif.bloggerchest.com/32678693/the-marketing-tool-diaries