What are search Engines & how they are working | SEO tips

Search Engine & SEO(Search Engine Optimization)

You might think about Seacrh Engines and SEO,today i will teach you that what are search engines and how they working and what is SEO.So let's started,
Search Engines basically are the softwares which is designed for searching information in WWW (World Wide Web) For example google, Yahoo,msn and bing are all search Engines. Usuallly google are used by 70% to 80% poeple all over the world.Since from when  internet introduced a large number of websites and webpages are uploaded or launched to WWW till now.Whenever websites or webpages uploaded or launched then search engine  crawlers are activated,and now you think,

 what is crawler? 

Crawlers are googlebot(robots) which crawl or search for new webpages and when they find new webpages then they readout the source code of the webpage. 
Here a Question arise which is,
What is source code?
  The code with the help of which we build a webpage is called source code. You can find the source code of any webpage simply by pressing (ctrl+U) or press the right click button of the mouse and click on the view source code.You will see there a source code of the page.
so the crawlers read out the source code and stored in their local server. After storing the data the indexer of the local server activated which collect data from local server and start indexing this data in categories.E.g school website stored in school category and web designing website stored in web designing category.It means that indexer index data in categorized form.After indexing all the the data are stored in main server. From here webpaged are to be ranked.
whenever a user put it,s query on the search engine then the search engine show relevent result of it,s query from the main server where all the data is stored.That,s how search engines are working.
see the attachment where all the procedure are explained and also watch the video for better understanding.

Search Engines Working

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