Search Engine is a directory of Internet Content. If you want some specific information on the www, search engine can list of web sites which you’ll likely find that specific information. This is software that search for information and returns sites which provide that information.
Example of Search Engine: – Google, AltaVista, Hotbot, Yahoo etc.
On the Internet, a search engine is in a set of programs so as to include.
• A spider (crawler) goes to every indexing pages on every website that’s wants to be searchable & read it.
• A program that creates a huge index from the pages that have been read.
• A program that receives your search request compares it to the entries in the index results to you.
Search Engine
How to work:-
Each Search Engine has developed a set of rules and mathematical equation known as an algorithm which is uses to set the order of its rankings. Each search engine’s algorithm works is a very much kept secret but some general rules are clear that are often used to increase a website’s ranking performance. This is referred to as search engine optimization.
The main goal of search engine is to put itself in user’s shoes. They hence want to deliver right, relevant, information-rich sites that will satisfy users, first time round.
