Introduction -by hasmin

Search Engines and Directories

Search engine can be referred to as a huge database containing information from individual websites through links. Search engines or indexes are the predominant type of search tools which are useful to the user for searching any kind of material online. Search Directories are known to be a categorized collection of websites i.e. which contains information about various websites.
Various known Search Engines available are:
www.google.com
www.yahoo.com
www.askjevees.com
www.altavista.com
www.aol.com

www.overtune.com
www.msn.com
www.lycos.com and many more……
The most popular out of these being www.google.com followed by www.yahoo.com Even some of these search engines feed others. These Search engines do not maintain the information on their own sites instead they just contain a link to various sites registered to them.

When somebody types a keyword and clicks the Search button then a new link is opened. This link gives way to the related site. Thus this even serves a purpose of marketing for the company. When we search a search directory, we search an index hand picked by a living human being. When we use a search engine, on the other hand, we search a database inventory gathered by software based robots that travel the net, indexing the text of the web pages they find.

Source: www.searchengineguide.com