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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.
Here are 33 examples of great meta descriptions (based on Google Zeitgeist 2012). 1  Use the =len() function in Excel to word count your meta description in spreadsheet format.  Use SEO Mofoâs Snippet Optimizer for an online character count tool.