Search engines are the tools which calls hundreds of billions of web pages in order to find the bugs in the web pages and to rank the good web pages higher in the search results. Search engine consist of two main parts:
- Search index
- Search algorithm
The major work of search engine is to provide the best, the most relevant result to the end users in the search page results. Search engines have two types of search results:
- Organic result
- Paid result
Google is the most popular search engine used by the users. SEO professionals and website owners cares only about the traffic generated from the google search engine. Google 1st analyse the URL’s of a website, then go to the 2nd step of crawling. Once crawling is done it indexes the web page and rank according to the web page quality.