The easiest way to locate Web pages and sites is by using what are known as Internet search tools.
Search tools include search engines, subject directories, and meta-search engines. The lines distinguishing between the search tools are sometimes hazy: some search engines have directory features and some subject directories have search engine functions.
Search engines use computer programs that search the Internet and collect and index Web pages. Use a search engine when you want to:
Subject directories present collections of links to Web resources that have been submitted by individuals and organized into subject categories. Use a subject directory when you want to:
Meta-search engines search the indexes of a number of search engines simultaneously and retrieve the results. They are best used when you are: