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Google’s Process of Auditing: Crawling l Indexing l Ranking

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Introduction:

So, here I am sitting on my laptop. Ready for crawling on search engine to search the best recipe on how to make the delicious chicken biryani. So, I typed easy recipe to make chicken biryani and in mere 0.74 seconds 25,80,000 results appeared on the screen.

How does Google works in less time

Isn’t that strange? As a net-surfer, I always wonder how a non-living stuff could work so hard & make human’s life so easy. I mean, “Just one click and then search engine start working to offer you more than thousand of results relevant to your search.Without search engines, it would be practically impossible to find the information we need when we browse the Web.

Like all search engines, Google uses a special algorithm to generate search results. While Google shares general facts about its algorithm, the specifics are still company secret. This helps Google remain competitive with other search engines & reduces the chance of finding out irrelevant data. So, how this happens! “How google works”? How google audits and gives us the best and relevant results.

3 steps of Google searchThe answer is not that simple. Imagine that, “Google is a like a large book which has all the information you want, properly indexed and ranked to know where it is placed. The only major difference that Google search has is its quickness in search. At its core, google consists of a crawler, an indexer and a page ranker.

Google uses automated programs called spiders or crawlers, just like most search engines. Google has a large index of keywords and where those words can be found. What sets Google apart is how it ranks search results. This in turn determines the order Google displays results on its search engine results page (SERP). Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score.

In recent times, more and more websites are getting created and competing for attention. Google have had to keep up with this growth while still focusing on delivering the most relevant content for a user. As a result, it is important to have a firm grounding in how search works in order to ensure your site is as search engine friendly as possible.

Google drives and audits the search results with three major processes as discussed. Let’s understand each process to know how google audits in depth.

a.) Crawling:

The Google search starts with “Crawling”. Google uses web crawlers to discover information publicly.  The crawlers crawl the World Wide Web to discover pages. These pages exist to identify the best web pages to be evaluated for the query. The crawlers travel via are website links. These website links bind together pages in a website across the web. Then secondly, create a pathway for the crawlers to reach the trillions of interconnected website pages that exist. Computer programs determine which sites to crawl, how often, and how many pages to fetch from each site.

The most popular web crawler is “GoogleBot”. Googlebot is Google’s web crawling robot which finds and retrieves pages on the web and hands them off to the Google indexer. It’s easy to imagine Googlebot as a little spider scurrying across the strands of cyberspace. But in reality Googlebot doesn’t traverse the web at all. It functions much like your web browser, by sending a request to a web server for a web page, downloading the entire page, then handing it off to Google’s indexer.

b.) Indexing: 

The web is like an ever-growing public library with billions of books and no central filing system. Google essentially gathers the pages during the crawl process and then creates an index, so we know exactly how to look things up. Much like the index in the back of a book, the Google index includes information about words and their locations. When you search, at the most basic level, algorithms look up your search terms in the index to find the appropriate pages. Indexing is process of adding information about a web page to a search engine’s index. The index is the database with which Google store and retrieve data when a user types a query into the search engine.

The search process gets much more complex from there when you search for “dogs”. You don’t want a page with the word “dogs” on it hundreds of times. You probably want pictures, videos or a list of breeds. Google’s indexing systems note many different aspects of pages, such as when they were published, whether they contain pictures and videos, and much more.

c.) Ranking: 

Before Google decides which web pages to show from the index and in what order, search engines apply algorithms to help rank those web pages. So the third step is “Ranking” the data. Google ranks pages according to their relevance and importance.

As SEO’s this is the area we are most concerned with and the part that allows us to show clients tangible progress. Once a keyword is entered into a search box, google will check for pages within their index that are a closest match. A score will be assigned to these pages based on an algorithm consisting of hundreds of different ranking signals. These pages (or images & videos) will then be displayed to the user in order of score. So in order for your site to rank well in search results pages, it’s important to make sure google can crawl and index your site correctly. Otherwise they will be unable to appropriately rank your website’s content in search results.

Google is one of the most dominant forces on the Internet. So superficially, Google search seems so simple, type what you want to know into the search box, and poof! The results display. But this quick search is result of a complex set of processes behind the scene that help us identify the most relevant data.

So, next time when you have to find the best chicken biryani recipe, then think about google as well which has its own complex recipe that helps us serve the best and most relevant data in few seconds.

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