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What’s Search Engine & How search engines work?

What’s Search Engine & How search engines work?

Search Engine

Do you know what SEO is and why do we need it?
So here it is SEO stands for Search Engine Optimization. Search Engine Optimization but firstly we will discuss what Search Engine is and how they work?
A Search engine is a software system that is designed to search for information on the World Wide Web or internet for documents containing keywords entered into the engine’s search bar by the user.
Today, the most popular and well-known search engine is Google. Other popular search engines include AOL, Ask.com, Baidu, Bing and Yahoo
Now let’s see how search engine works?
Search Engines respond to the certain questions that the user has posed called keywords, when you type a keyword search engines find a relevant information related to the particular keyword and displays it, this information which you get is called SERPs and this is basically how search engine works.
Search Engines is an internet program which contains algorithm and it follows 3 steps:

  • Crawling.
  • Indexing.
  • Retrieving/Ranking.

 

  • Crawling-

Search Engines send a Spider (also called a crawler or Googlebot) which extracts/scans and crawls the entire web of websites from the web pages and fetches all the information and transfers this information onto the web server of search engines and brings them back. That means here content is discovered.

  • Indexing -

Indexing is a process of creating an index for all the fetched web
Pages. Index for Search Engine refers to a huge database of internet resources such as words, texts, and actual keywords. Search Engines uses these index as a lookup directory every time the user places a query on search engines. Hence content is analyzed and stored in a database.

  • Retrieving/Ranking –

Retrieval is when the search engine processes your search query and returns the most relevant pages that match your query. Here user query is fetched and displayed.

Now let’s see How to search on Google?
 

NeheTech google search

 

For example, if a user types a keyword as “NeheTech” in google search bar and hits enter, it discovers the most important page links on the web then the information is stored in database and this information is displayed according to the keyword relevance in search results. 
Hence for Higher ranking on search results, we need SEO.
Now what is SEO and What is the importance of SEO in our business will see in our next article.
 

 

 

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