Matt Cutts, head of Google’s Webspam team has written a post announcing a specific change to Google’s search algorithm to reduce content copying and spam in search engine results.
“we recently launched a redesigned document-level classifier that makes it harder for spammy on-page content to rank highly. The new classifier is better at detecting spam on individual web pages, e.g., repeated spammy words—the sort of phrases you tend to see in junky, automated, self-promoting blog comments. We’ve also radically improved our ability to detect hacked sites, which were a major source of spam in 2010. And we’re evaluating multiple changes that should help drive spam levels even lower, including one change that primarily affects sites that copy others’ content and sites with low levels of original content.”
Read more: http://googleblog.blogspot.com/2011/01/google-search-and-search-engine-spam.html
