Search Engine

                                     Search Engine

1. Search Engine:

                  The search engine is computer program or software system  which allows to find the information  on World Wide Web.

      Ex. Google,Yahoo, bing etc
                 In this digital world we are using most of time this search engines.But we have no idea about how the search engine works?

     2.How the search engine works?

                 Each search engine works in three main steps.

                     i)Crawling

                    ii)Indexing

                   iii)Ranking

     i)Crawling:

                   In general crawling means babies are move forward on the hands and knees or by dragging the body close to the ground.This is the first step  of baby for standing up like this crawling is same first step of search engine.

                   Crawling is a process which search engine discover the web pages,sites,dead links etc.

The web crawler is also called a spider or google bot.Which hunts the website on the internet.

      ii)Indexing:

                  The next step of web search is Indexing.

                   The information which identified by the crawlers needs to be organized,sorted and stored so that it can be processed by the search engine algorithms,before made available to the end user.

                  This process is called Indexing.

       iii)Ranking:

                  Ranking is the last step.Search engine decides which pages show to in your results.What the order of this result? Its achieved using the ranking algorithms.

               Search engine is complex computer program.And its works in just few seconds.The amount of data they have to digest its enormous and the process is completed automated.
                                         

               Getting a tiny share of the overall this.