What is Search Engine

What is Search Engine?

1. A web search engine is a software system that is designed to search for information on the World Wide Web. 
2. The search engine is a web program that enables the users to enter words and phrases to search, and scan the vast information on the web to locate sites that matches the words or phrase.
3. This is an organization with a web site containing a huge database of web site addresses.
4. Search engines also maintain real-time information by running an algorithm on a web-crawler.
5. The User can locate useful or interesting web sites by using a search engine.

Popular search engines - 

1. Google.
2. Yahoo.
3. Ask Jeeves.
4. Duck Duck Go.
5. Baidu
6. Kosmix.
7. Yebol.
8. Bing.
9. Msn.
10. AltaVista
11. Infospace
12. Excite
13. AOL.com

Search Engine Optimization (SEO)

1. Search Engine Optimization is the process of increasing the visibility of a website or a web page in a search engine's natural search results.
2. It the process of optimizing the web page contents to increase its relevance to specific keywords and to remove barriers to the indexing activities of search engines.
3. SEO makes the website more efficient and visible top its users during the search.