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,
Veronica (search engine) with the naming of the Archie search engine, a search engine for FTP servers. A backronym for Veronica is "Very Easy Rodent-Oriented Net-wide Index to Computer Archives". Veronica (search engine) Veronica was a search engine system for the Gopher protocol, released in November 1992 by Steven Foster and Fred Barrie at the University of Nevada, Reno. During its existence, Veronica was a constantly updated database of the names of almost every menu item on thousands of Gopher servers. The Veronica database could be searched from most major Gopher menus. Although the original Veronica database is no longer accessible, various local