Cutts is known for introducing the Google Webmaster Guideline and his efforts to crack down on the proliferation of link spam. He is a celebrity engineer in web circles, helping webmasters to understand how Google ranks their sites, while also leading a fight against spammers. Cutts was the center of some controversy in 2006 when he allegedly admitted to post to web-related sites under the identity of GoogleGuy. Cutts’ blog is a mix of Google and search engine-themed material combined with general interest posts.