History and Working of Search Engines

What is a web search engine?

Search Engine is software that is developed to fetch the information from other existing websites. A website is source of information having images, text and visual ads etc. Search Engine is responsible to crawling that site and showing the information against any search query. Search Engines are based on unique and fine algorithms that help it to search relevant and useful information.

Year By Year History Of Search Engines

1. In 1993 Aliweb was launched.
2. In 1994 WebCrawler, Infoseek and Lycos were launched
3. In 1995 AltaVista , Magellan, Excite and SAPO were launched
4. In 1996 Dogpile, Inktomi, HotBot, and Ask Jeeves were founded on www.
5. In 1997 Northern Light was launched
6. In 1998 Google was launched
7. 1999 was the year of AlltheWeb, Naver, Teoma , Vivisimo Search Engines
8. Baidu was founded in year 2000
9. Info.com started its work in 2003
10. Yahoo was developed in 2004 with its competitor a9.com
11. 2005 was the year of MSN Search launching as well as Ask.com and GoodSearch were also launched

Search Engine Working
Working of search engines based on the following three steps.

1. First of all search engine crawls the websites
2. In next step it index the website in its memory
3. In its last step, it does search from its memory against the certain words provided