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Friday, April 2, 2010

How search engines work and how to find specific information from search engines

To enter the world wide web you need to open a page first and enter the text or keyword to search for the stuff.  Search engines are meant to provides results within seconds but you should learn how search engines work and how you can find the specific information around the net without wasting your time.  You should also have a knowledge of topic based search engines because when you search for specific topics based information, it is advised to look for the search engines specifically dealing in those topics. If you need to search for educational links, 'Google' is always a best choice to look for any kind of information or links but if you want to omit unnecessary or prfessional links then better to go for educational search engines. At the end of this post you may check useful links section.

How Search Engines work?

 
Search engines look for your search term within the web pages they've collected and indexed. The results reflect the search engine's determination of how relevant the site's content is to your inquiry. But some search engines will rank sites higher in your results if the site pays a fee, regardless of its relevance to your terms. FTC officials say it's a savvy surfer who knows how search results are sorted and ranked. It can make a difference in which search engines you choose to use and how you interpret the results.

 
If you use Internet search engines, the FTC(Federal Trade Commission) wants you to know that:
  • Some search engines have programs for paid placement and paid inclusion. 
  • Paid placement means websites or URLs pay search engines for higher rankings or more prominent placements in search results.
  • Paid inclusion means websites or URLs pay to be included in a search engine's pool of results available for display, but not to be more prominent.
  • Sometimes, third-party partners, like other search engines or guide sites, provide listings to search engines. If a partner has its own payment arrangements with a website, it could affect the results on the search engine you use.
  • Many sites indicate whether a placement is paid for. If the search engine separates some search results as "Sponsored Listings," they may be paid for placement. But keep in mind that results may be grouped under other labels. Look for terms like "featured listings," "recommended sites," "search partner" or "products and services." If those sites are ranked higher than others or placed in a more prominent location than others, it could be a tip-off that the search engine uses a paid placement program.
  • You may find an explanation of the type of paid placement or paid inclusion program the search engine uses. If such a program is in use, the explanations should be easy to find and understand. If they're not and the omission bothers you, let the search engine know.
  • Paid inclusion programs do not guarantee higher rankings for listings and may provide features that are useful. For example, paid inclusion programs may provide consumers with better choices if the programs allow search engines to review URLs more quickly or review websites more deeply than they would otherwise.
  • You have a choice. Before you decide which search engine to use, consider whether the use of payment programs for placement or inclusion is important to you.
Download pdf version of this report: Being Frank about Search Engine Rank

 
These facts and tips are provided by ftc.gov (Federal Trade Commision) for the benefits of consumers, so you can judge how search engines work and to what extent you can trust at their results.

Useful links and resources:

* All of these links lead to sites that contain specific information that may not turn up when you do a general search of the Web using Altavista, Yahoo, and other search engines and directories. 'Specialized Search Engines and Directories'

* You can find catagorized list of search engines at: 'Search Engine Guide'

* 'Virtula Sites' presents : Education search engines
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