The Meta Search Engines: A Web Searcher's Best Friends - Do not have...
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Do not have their own databases and
Do not accept URL submissions.
Pros and Cons of Meta Search Engines
Pros: MSEs save searchers a considerable amount of time by sparing them the trouble of running a query in each search engine. The results - most of the time - are extremely relevant. MSEs can be used by Webmasters to find their site's presence, rankings and link popularity in the major SEs.
Cons: Because some SEs or WDs do not support advanced searching techniques such as quotation marks to enclose phrases or Boolean operators, no (or irrelevant) results from those SEs will appear in the MSEs results list when those techniques are used.
MSEs Come In Four Flavors:
"Real" MSEs which aggregate/rank the results in one page
"Pseudo" MSEs type I which exclusively group the results by search engine
"Pseudo" MSEs type II which open a separate browser window for each search engine used and
Search Utilities, software search tools.
The following provides detailed information on each of the four MSE types, along with my ranking:
1. "Real" MSEs
These real MSEs simultaneously search the major search engines, aggregate the results, eliminate the duplicates and return the most relevant matches, according to the engine's algorithm.
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