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Q-Stats - Get free marketing insights for every question on Quora.
AdClarity - Optimize Display Advertising campaigns with the AdClarity Marketing Intelligence Tool for Advertisers, Agencies, Publishers, Ad Networks,
HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.
SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more