A metasearch 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.
I think a meta-search engine uses another search engine/s to to look for its results so it does not have necessarily have to crawl and index all the Internet web pages.
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...