Search engine marketing Search engine marketing Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising. SEM may incorporate search engine optimization (SEO), which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages to enhance pay per click (PPC) listings. In 2007, U.S. advertisers spent US $24.6 billion on search engine marketing. In Q2 2015, Google (73.7%) and the Yahoo/Bing (26.3%) partnership accounted for almost 100% of U.S. search engine spend. As of 2006,
Dragonfly (search engine) inconsistent with our mission, providing no information is more inconsistent with our mission," referring to the alternative of not servicing Chinese users at all. Google also downplayed the extent of the new search engine's censorship, reminding users that it also removes search results from its German, French, and U.S. platforms in order to comply with local government regulations in those countries. Ultimately, Google.cn received tepid acceptance: some commentators even praised the search engine with the logic that Chinese citizens, through conducting searches and observing which results had been removed, could better their understanding of what it was their government did