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Every time you type in a query at a metasearch engine,
they search a series of other search and content sites at the same time, compile
their results, and display them either by source
or by integrating them in a uniform manner, eliminating duplicates,
and resorting them according to relevance. It's like using multiple
search engines, all at the same time.
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 By
using a metasearch engine, you get a snapshot of the top results from
a variety of search engines (including a variety of types of search engines),
providing you with a broad scope of information.
Metasearch engines are tolerant of imprecise search terms
or inexact use of operators, and tend to return fewer results, but with
a greater degree of relevance. They're best used when you've got a
general search, as metasearch engines return broad results. Instead of
returning every possible result that contains your search term, metasearch
will return the most trusted results on the Internet for your search.
Metasearch engines also allow you to compare what kinds of results are
available on different engine types (indexes, directories,
pay-for-placement, etc), or to verify that you haven't missed a great
resource provided by another site, other than your favourite search engine
(acting as a backup). Overall, they're a great way to save time and find
exactly what you're looking for!
Examples of metasearch engines are: Mamma,
Copernic and Dogpile.
Try out the Mamma Health Search Engine. It metasearches handpicked, trusted health sites. To learn more, click here and give it a whirl.
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