impact: (or Seznam, list in Czech) is a web portal and search engine in the Czech Republic. Founded in 1996 by Ivo Lukačovič in Prague as the first web portal in the Czech Republic. Seznam started with a search engine and an internet version of yellow pages. Today, Seznam runs almost 30 different web services and associated brands. Seznam had more than 6 million real users per month at the end of 2014. Among the most popular services, according to NetMonitor, are its homepage,, and its yellow pages More information...

The website is placed before and after in the BestRef global ranking of the most important sources of Wikipedia.

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