One of the most essential tools on the Internet - they help you find web sites relating to a particular subject or the E-mail address of someone you know or articles posted to a Newsgroup or even companies which have a presence on the Internet. Most of the information provided by search engines is categorised so the search can be considerably refined before you even begin. The search engines are basically huge databases containing millions of records which include the URL of a particular Web page along with information relating to the content of the web page which is supplied in the HTML by the author. The search engine obtains this information via a submission from the author or by the search engines doing a "crawl" using "robot crawlers" of the internet for information.
Some search engines use Spiders to obtain information.
The are a number of facilities available on the web that allow authors to submit their web pages to hundreds of web sites at once.
Some search engines use a technique known as ICE to locate information on related topics.
The majority of the people that use this Glossary would have located it by using a Search Engine.
The most popular search engines are :-
Alta Vista
Excite
Hotbot
Galaxy
Infoseek
Lycos
Webcrawler
Yahoo