Search engine works using.
Search engine works using Querying,Ranking and Indexing.
Links allow the search engines' automated robots, called "crawlers" or "spiders," to reach the many billions of interconnected documents on the web. Once the engines find these pages, they decipher the code from them and store selected pieces in massive databases, to be recalled later when needed for a search query.
A search engine is a web-based tool that enables users to locate information on the World Wide Web. Popular examples of search engines are Google, Yahoo!, and MSN Search.
In SEO and SEM terms, rank (or ranking, position) refers to where a website or page is ranked within search engine results. ... A webpage rank within a search engine is also commonly called a position.
The information that the web crawler puts together is then used by search engines. It becomes the search engine's index. Every webpage recommended by a search engine has been visited by a web crawler. Web crawlers automatically browse the web and store information about the pages they visit.
Search engine indexing is the process of a search engine collecting, parses and stores data for use by the search engine. ... It is the search engine index that provides the results for search queries, and pages that are stored within the search engine index that appear on the search engine results page.