You are asking a question of the database created by the spiders or robots. These databases are very large and are updated frequently because a computer is doing all of the work. There are many search engines for the WWW including Go, Yahoo, LookSmart, Excite, Lycos, GoTo, Snap, Hotbot, and Google. For the purposes of this lesson, we will use Go. If you prefer an alternative search engine, use it, but remember that the directions below may differ slightly.
Most search engines are keyword searchable.
To perform a search, click in the textbox and type a word or phrase. Your query is sent to the database and a list of websites that meet your criteria is returned. It also states that the results are the most relevant. Many search engines use relevance to the query to determine which sites are listed in which order. Below the summary is a percentage.