Bing (search engine) further to 20.9%. As of October 2018, Bing is the third largest search engine in the US, with a query volume of 4.58%, behind Google (77%) and Baidu(14.45%). Yahoo! Search, which Bing largely powers, has 2.63%. Since 2006, Microsoft had conducted a number of tie-ins and promotions for promoting Microsoft's search offerings. These include: Bing's debut featured an $80 to $100 million online, TV, print, and radio advertising campaign in the US. The advertisements do not mention other search engine competitors, such as Google and Yahoo!, directly by name; rather, they attempt to convince users to switch to Bing by
Search engine optimization their sites may eventually be banned either temporarily or permanently once the search engines discover what they are doing. An SEO technique is considered white hat if it conforms to the search engines' guidelines and involves no deception. As the search engine guidelines are not written as a series of rules or commandments, this is an important distinction to note. White hat SEO is not just about following guidelines, but is about ensuring that the content a search engine indexes and subsequently ranks is the same content a user will see. White hat advice is generally summed up as creating