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How Search Engines Operate Using a 3-Way Approach?

The World Wide Web brings to us hundreds of millions of pages and all of them containing information on an array of topics. Most of us begin our internet experience with google which is generally the default web-page. It is perhaps the second best invention after the internet. Google is a software program that looks up in its own database, the words that you designate as search terms.
Since the modest beginnings, a lot has changed and now, Google isn’t the only search engine out there. But, the fundamental principles of all the search engines are the same. Search engines seem to be simple, when looked upon superficially, but they aren’t. They involve detailed processes and methodologies and generally keep on updating their procedures. All the search engines perform these three basic tasks:
  • Crawling: Based on the designated keywords, they search the internet.
  • Indexing: The results are then analyzed and stored in huge databases.
  • Retrieval: Displaying the query in order of relevancy.

Before a search engine tells you about a particular file, document or information, it must know where it is. To get a complete list of everything on those hundreds of millions of pages, search engines deploy software robots called spiders/crawlers. All of it begins with crawlers. Crawling involves acquiring the data about a website including the page title, images, keywords that the page contains and the other pages the page is linked to. And, they do it through links. The links structure of the web binds together all of the pages. Through these links, the crawlers reach billions of pages on the internet.
Once the spiders have crawled through the web and acquired the desired information, all the data is placed in massive databases and are recalled whenever a similar search query arises. These databases are huge storage facilities and process monstrous quantities of data swiftly. Search engine companies have built various data centers throughout the world and are one of the most hi-tech buildings in the world storing thousands of petabytes of data. You can take services from SEO agency in Delhi to make your website SEO friendly.
The result page that you see when you search for a query is the last task that a search engine performs. These results are an attempt to provide you with the most relevant information based on your search query. Typically, search engines consider popular websites to be more valuable. A part of search engine research is concept-based and some involves analysis of the words you searched for and is an attempt to find the pages you might be interested in. To determine the relevance and popularity of the results, search engines use algorithms comprising of hundred of variables and are referred to as ranking factors. You can hire best SEO company in Delhi to rank #1 in Google SERP.
When reduced to its bare bones, this is how most search engines like Google, Bing, and Yahoo operate. Underneath the simple search page is a complex system which provides us access to a whole lot of information within a fraction of a second.
Brands Martini is best digital marketing agency in Delhi which will help you improve your site ranking majorly.

Article Source: EzineArticles
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