Search Engines

Search Engine is a information retrieval system designed to help find information stored on a coomputer system. it help to find out which you want. Search engines use regularly updated indexes to operate quickly and efficiently.Without further qualification, search engine usually refers to a Web search engine, which searches for information on the public Web.Other kinds of search engine are enterprise search engines, which search on intranets, personal search engines, and mobile search engines.

The very first tool used for searching on the Internet was Archie. [1] The name stands for "archive" without the "v". It was created in 1990 by Alan Emtage, a student at McGill University in Montreal. The program downloaded the directory listings of all the files located on public anonymous FTP (File Transfer Protocol) sites, creating a searchable database of filenames; however, Archie could not search by file contents.

Time to Time many Search Engines are come. But three main search engines are in use. These are :-






If you want to get success in seo field, You must be know about these search engine algorithm. For any help contact me.