With internet things have changed, Search Engines are web Directories of the billions of websites on the internet. Some of these sites are added to Search Engines by the Web-Masters(Owners of the websites), on the other hand, search engines have special softwares (web Crawlers), which visit each website and webpage on the internet, index it and stores it''s important keywords with itself, based on the content of the page. Once a user come to the search engine types his required keywords, the search engine looks up keywords and in response provides a sorted result to the user. This sorted result is based on certain calculations relating to the page which range from the users on the page, Relevance of keywords from search keywords, content on the page, when was the page last updated, its referrals and their weight etc.
Two type of search Engine are there,
1. Search Engines with Web Crawlers
2.Meta Search engines
1. Search Engines with Web Crawlers:
Search engines with Web Crawlers are ones with huge resources. These Advanced search engines send their robots/Web Crawlers to each web site on the internet to index it.
Examples:
http://www.google.com
http://www.yahoo.com
2. Meta Search Engines:
Meta Search Engines are the one who use the Type 1. Search Engine Results with their permission using special Application Programming Interface (API), they get the sorted results from Parent Search engines which the display after the application of their own algorithm. They further add some additional features to attract users and in some cases they give the user a new perspective about the search. They also need a chance to be visited and used
Examples
http://www.duckduckgo.com - A Privacy Oriented Search Engine
http://www.emlsearch.com - A Multi - Search Engine respecting user Privacy
With the evolution of search technology it definitely worth allot to explore the new paradigms with evolved meta Search Engines.As Emlsearch We are adding more value to your life! We will come up with some more interesting Articles in future, keep following us. Till then to our respected hounorable readers "Take Good Care of Yourselves, Your Families, Friends and People round You" . Thanks for being with us, Your Comments are appreciated.
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