Meta Search Engines

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                                                              DogPile       Ixquick           MetaCrawler                 WebCrawler

Meta Search engines search several search engines at the same time.  The results are usually listed by search engine.

Advantages

• May search large chunks of the Internet.

• May identify a search engine with promising results on a topic.

Disadvantages

• Results just a sample of possible results from a search engine.

• None sample all possible search engines.