How Search Engine Works

1
How Search Engine Works?

• Prepared by Rao Umar Anwar
• Email webdeveloper125_at_hotmail.com
• Blog myownblog125.blogspot.com

2
Search Engine

• Search engine is basically a program or a
  software that takes input process it and display
  a result on the basis of the specific keywords
  that is provided by the user.

3
How it works?

• Crawling and Indexing
• Crawling  is a program or software of a Google
  that is also called Robot, bot, or spider that
  reads a new web pages in order to create entries
  for index.
• Indexing collects, parses, and stores the
  website information in their database.

4

• Google Algorithms
• Analyze Words
• Google has its own Language model by which it
  analyzes words provided by the users.
• Match Search
• In this step Google algorithm search out the
  webpages that match a query.
• Ranking Pages
•  Google Finds a million of webpages that consist
  of relevant information, which later provided a
  ranking to these pages from most accurate
  information to good information.

5

• Considering Context
• Google also consider your location, search
  history and search settings to display result
  that is most useful and relevant to you.
• Return Result
• After Google done with these steps they display
  a result to user what they was searching for.
• Useful Response
• A bunch of pages available on the internet
  Google still makes sure to provide you accurate
  and rich content quickly that you are searching
  for.

6
About Me

• My name is Umar Anwar and a student of Computer
  Science. I am also self taught Web Developer, Web
  Designer and SEO Consultant and has been working
  since last 2 years.
• Contact
• webdeveloper125_at_hotmail.com
• Blog
• myownblog125.blogspot.com
• You can visit here for more information about
  Search Engine and Search Engine Optimization.