Search Engines

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search operator

A word or symbol that describes a relationship between search terms and thereby helps create a more focused query

invisible Web

Pages that require password protected logins and pages that are dynamically generated with server side scripts.

search terms

keywords queries in which you enter one or more words (the words that you put in the search bar to find search results)

query processor

looks for your search terms in the search engine's indexed database and returns a list of relevant web sites.

Database

stores billions of index references to Web pages

search engine indexer

A software that pulls keywords from a Web page and stores them in an index database. Its purpose is to make pages easy to find based on their contents.

Web Search Engine

A computer program designed to help people locate information on the Web by formulating simple queries consisting of one or more words called keywords or search terms.

Web crawler

A computer program that is automated to methodically visit Web sites. Used to download web pages and submit them to an indexing utility for processing.

Link popularity

A measure of quality and quantity of links from one web page to others.

search engine optimization

A series of techniques that can affect the ranking and visibilty of Web pages.


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