Search Engine

Difficulties in your life do not come to destroy you,But to help you realise  your hidden potential and power,Let difficulties know that you too are Difficult.
Dr. APJ Abdul Kalam

I would like to share  “Search Engine” .So let’s get start friends, I hope that you all are now aware about Ethical concept on Hacking, windows basic,keyboard Shortcuts ,Cloud Computing .So, now i am going to show you  tips over Search Engine .

1. Introduction on Search Engine .

2. Types of Search Engine.

3. Features of Search Engine  .

4. Popular Search Engine .  

5. Blocked Web sites in india.

6. Search Engine Optimization

7. Contact.



There are many definition of Search Engines on Index basis,diiferent person have different ideas .Let's check it out.

A search engine is a tool that allows a user to enter keywords and retrieve information on websites contained in its catalog or database


a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user, used especially for finding particular sites on the Internet.


Search engines are programs that search documents for specified keywords and returns a list of the documents where the keywords were found. A search engine is really a general class of programs, however, the term is often used to specifically describe systems like Google, Bing and Yahoo! Search that enable users to search for documents on the World Wide Web.


Simply i define it "To access information from source is called search engine".

 2. Types of Search Engine :

   There are different forms of search engines like web search engines, selection-based search engines, metasearch engines, desktop search tools, and web portals and vertical market websites that have a search facility for online databases.

so let's discuss about different forms of search engines and their properties .

·       Web Search Engine :

Typically, Web search engines work by sending out a spider to fetch as many documents as possible. Another program, called an indexer, then reads these documents and creates an index based on the words contained in each document. Each search engine uses a proprietary algorithm to create its indices such that, ideally, only meaningful results are returned for each query or you can say It  is a software system that is designed to search for information on the World Wide Web.

·       selection-based search engines :

selection-based search enables users to launch a search query by selecting text on any application on his desktop. It is commonly believed that selection-based search lowers the user barrier to search and permits an incremental number of searches per user per day.[2] Selection-based search systems also operate on the premise that users value information in context. They may save the user from having to juggle multiple applications, multiple web browsers or use multiple search engines separately.
The term selection-based search is frequently used to classify a set of search engine systems, including a desktop client and a series of cloud computing services, but is also used to describe the paradigm of categorizing a keyword and searching multiple data sources using only the mouse. The National Information Standards Organization (NISO) uses the terms selection-based search and mouse-based search interchangeably to describe this web search paradigm.

·       Metasearch Engines:

A metasearch engine is a search tool that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their source. Metasearch engines enable users to enter search criteria once and access several search engines simultaneously. Metasearch engines operate on the premise that the Web is too large for any one search engine to index it all and that more comprehensive search results can be obtained by combining the results from several search engines. This also may save the user from having to use multiple search engines separately.
Metasearch engines create what is known as a virtual database. They do not compile a physical database or catalogue of the web. Instead, they take a user's request, pass it to several other heterogeneous databases and then compile the results in a homogeneous manner based on a specific algorithm. The first commercial meta search engine was created by Herman Tumurcuoglu in Montreal, Quebec in 1996. It was dubbed the mother of all search engines

3. Features of Search Engine:
·       A ture Search engine provides all sub information regarding given quary.
·       A true search engine is an automated software
program that moves around the Web collecting
WebPages to include in its catalog or database.
·       It searches when an user requests information from a
search engine; not the entire Web.
·       Each search engine has its own catalog or database of
collected WebPages, so you will get different
results/hits by using different search engines.
·       A search engine type is determined by how
the information contained in its catalog or
database is collected
·       Some search directories or indexes do not consider content
when adding pages to their catalog. Others collect, rate or
rank materials. Some search directories include annotations
that evaluate, review, or otherwise describe the content.

4. Popular Search Engine :
As through my knowledge there are more then 100+ search engines in which they provide different specialty like some in science, business, sports, entertarment etc.
Now talking about popular search engine including Meta search engine around the globe.
Yippy (formerly Clusty)     
Ixquick (StartPage)    
Kayak and SideStep   
PCH Search and Win 
Fewclick Search

5. Blocked Websites in India:
Still working on this topic but a little information about blocked websites in India. Sometime we think that whole site is blocked over a country but generally some part restrict over that particular website or you can say banned over that country.
For e.g. Google is going to take strict action against Australia over sexual and abusive harassment, so they are planning to block YouTube and G mail facility in Australia.  
Now Talking about Google :
Google is banned in China and Pakistan because of adult and sensitive search including Gmail,Hangouts,Orkut,youtube as well as Android.
Facebook blocks over North Korea, China, Iran, and Cuba.
Twitter blocks over UAE, Pakistan, China, and Iran.
And many more ,now talking about India then here what I found about the censorship of websites list:

6. Search Engine Optimization:

Sources for writing this Blog:
1.Internet Sources:

· 1.Google Semetric search engine optimization
   2.Programming Collective Intelligence -Segaran
And Self sources ,friends and a lot from News and Magazines…



7. Contact me:

or mail me at
*Need your suggestions and feedback, so that I can improve my way and ideas for coming ebooks and hope that you appreciate it J
Thank YOU!!!
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  1. Gr8 work...Things seems to be working
    in excellent way..
    Lesson Corner Team


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