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Architecture of a metasearch engine. A metasearch engine (or aggregator) is a search tool that uses another search engine's data to produce their own results from the Internet. Metasearch engines take input from a user and simultaneously send out queries to third party search engines for results. Sufficient data is gathered, formatted by their ranks and presented to the users.
Meta Description. Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.void Duplicate Meta Description Tags. As with title tags, it is important that meta descriptions on each page be unique. One way to combat duplicate meta descriptions is to create a dynamic and programmatic way to make unique meta descriptions for automated pages.