SEO-Lexicon
Meta Search Engine
A Meta search engine does not have its own database. It works with data from other search engines and catalogs. This is why their ranking depends on the ranking of the requested search engines. Therefore, these Meta search engines have no relevance to the search engine optimization. The user gets the service of a parallel query of some search engines; this is why Meta search engines are that popular. Their market relevance in relation to other search engines is rather low.
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Meta Search Engine: lexicon search engine optimization