Search engines vs. search sites and portals

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The difference between a search engine and a search site. A search engine is the database that delivers search results, a search site is the website that lets you search this database. Some search engines are used by many search sites.

There are now only four major search engines left: Google, the Yahoo! Search Engine, MSN and their little brother Ask.

To make things confusing, most search sites also present results from search directories (i.e. catalogs of sites hand picked by human editors, cf. the Yahoo! Directory or the Open Directory). This is why some search engines will ask you to submit your site to the directory as well as to the search engine.

Most search sites and metasearch sites will add links from fee-based pay-per-click search engines.

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