A meta search engine is a search tool that sends user requests to several other search engines and/or databases and aggregates the results into a single list or displays them according to their source.
SEO, Page Rank, Deep Linking, Linkage
A Meta-search engine are search tools that send a user request to several other search engines and/or databases and aggregate the results into a single list or displays them according to their source. A Metasearch engine enables users to enter search criteria once and access several search engines simultaneously.
Metasearch engines do not crawl the Web or maintain a database of web pages but act as a middle agent passing on the query to the major engines and then returning the results.
How a MetaSearch Engine operates?
These search engines create what is known as a virtual database. Metasearch engines don't compile a physical database or catalogue of the web, instead they take a user's request pass it to several other heterogeneous databases and then compile the results in a homogeneous manner based on a specific algorithm.
Metasearch engines provide a quick way to determine and compare which engines are retrieving the best match for your information need.
- It searches in many different search engines at a time.
- Some Metasearch engines are able to eliminate duplicate records or pages on similar topics at the same address.
- Some Metasearch engines will sort your pages into topics or will eliminate duplicate pages.
- It can often return too much material.
- Because Metasearch are searching in many different search engines all with different rules, complex searching techniques may not be possible.
- Some Metasearch engines do not sort the records very well, or might show only some of the search results.