What is a Search Engine? Full details about Search Engine

Search engine is a tool where user type keyword and got results related that keyword or information/data. Tools simply means search engine like Google, Chrome that run by Search Engine Software which allow data search and get related results in form of different web pages/document file. We also can say that search engine is like a library where we can easily find our product by typing its keyword in the search bar.

Feature

• Automatic software moves around the world to collect more and more information/database.
• Gives you the material what and how much to be needed about your keyword or topic.
• It has its own database collected web pages.
• Information can be easily available.

Digital Marketing

There are different types of Search Engine Tools

• Search Directories/indexes

Search Engine is not automatically done it is done by human itself through visiting on website. It does not consider content when adding a page to the catalog and it evaluate, review or describe the content otherwise for search directory annotations. Yahoo and Looksmart are such indexes.

• Hybrid Search Engine

It presents both crawler-based results and human-powered listing. Usually this type of engine favors one type over another type listing. It’s more likely to favor human-powered listing over crawler-based results for more queries.

• Multiple Search Engine

It helps to locate information available via the WWW. It provide single interface that enables the user to get many different results, indexes and databases. It is capable if searching different search engines at a time. It fetch data from other search engine, fetch in the scene combined and ranked results.

There are three parts of a search engines

• Spider, Crawler or Robot

It is the first part of a Search Engine which moves around the World Wide Web visiting websites. It is also known as spider or robot. It gather the information transfer from the web. A crawler chooses data across from different website which helps the page to index in more better way.

• Index

Index is getting results from far as possible. It is the second part of a search engine called index or database. It is the link collected by the spider has copy of each and it index to become search results a spider must be index to get a better search result. 

• Search Engine Software

It request keywords from the search engine and then located to all indexes to find the matching keyword and results to the user. Search Engine help you to find the information by just from the keyword writing or the url. Search Engine save the keywords in its url for further searching.

Some Popular Search Engine

• Google             -           http.//www.google.com
• Go                    -           http.//www.go.com
• HotBot             -           http.//www.hotbot.com
• AltaVista          -           http.//www.altavista.com

Popular Indexes

• Yahoo              -           http.//www.yahoo.com
• Encyclopedia Britannia Online  -  http.//www.britannia.com

Popular Multiple (Meta) Search Engine

• Dogpile            -           http.//www.dogpile.com/
• MetaCrawler    -           http.//www.metacrawler.com