Using a relatively new spam filtering mechanism that targets URL keyword stuffing (KWS), Bing says it has filtered out an average of approximately one in 10 URLs per impacted query, or about 3 percent of Bing queries overall. In addition, Bing says roughly 5 million sites with 130 million URLs have been impacted, resulting in a reduction of more than 75 percent of traffic to those sites from Bing. Continue Reading