What Is Search Engine and How to Work It

 What Is Search Engine?

A search engine is a software system that is designed to Search particular information On the World Wide Web. people find the information they are looking for online using keywords or phrases. That is called Search Engine. 

Search Engines: Google, Yahoo, Bing, Baidu, Yandex and AOL etc... 

Now days Most popular Search engine is Google. Google Search is a search engine provided by Google. Handling over 3.5 billion searches per day, Google has a 92% share of the global search engine market.

It is also the most-visited website in the world. It is Used by 70-80% people around the worldwide. Rest 30-20% Used by Other Search Engine likes Yahoo , Bing, Baidu, Yandex and AOL etc... 

How to Search Engine work ?

The Search Engines Always work on 3 major functions

1. Crawling

2. Indexing

3. Ranking

1. Crawling : Search Engines use programs Called as crawler, Spider, Robots to read the Source code that systematically and automatically browse pages on the web and Store These Data On their Local Server. This is process is Called as Crawling Of website 

1. web content
2. Images
3. Video
4. News
5. Ads
6. Mobile

2. Indexing :  the search engine Collect Data and try to understand about niche of content. after arrange according to Niche and collect In Main database that is Called indexing 

3. Ranking : when Users types a keywords into the search bar, The Search Engine matches in keywords in their main Database and represent website according to Rank assign by Google Rank algorithm. Users get relevant results in return . 

Search Engine process 

Search Engines use programs Called as crawler, Spider, Robots to read the Source code that systematically and automatically browse pages on the web and Store These Data On their Local Server

A Website is generally Crawled 5-6 Times In A year. Indexer Collect Data From local Server of Crawler and Separate them in niche like health, Travel, Shopping , Education Etc. this data is Store in Main Database. after Google Ranking algorithm distribution Rank according website Data 

Read More about https://ahrefs.com/blog/how-do-search-engines-work/