Search Engines uses a complex algorithm to rank web pages. This
algorithm considers various signals from a variety of sources
for accurate ranking of web pages with respect to the search
queries entered by the user. Major search engines like Google,
Yahoo, Bing, Baidu, Excite, Ask, Yandex etc maintain a huge
database for the storage of billions of web pages which are
crawled by their bots every day. It is because of this
combination of database and algorithms that we are able to find
information easily on the web. Search engines make use of
specialized data centers and larger memories to process large
chunks of data and display the search results within seconds.
Here is the step by step tutorial on how the search engines work
? Search Engine bots (spiders) crawl the web searching for
hyperlinks on a web page. The links crawled are stored in a
large data base which may be divided into specific data centers
according to the geographic localization. In this way, search
engines continue this process of crawling a