Alexa Internet, Inc. is a commercial web traffic database provider company from Amazon.com. In 1996 Alexa was founded as an interdependent company and Amazon acquired it on 1999. It is a web service collecting browser behavior of a website and store it on their database. Alexa provides traffic data, global rankings and other information on 30 million websites. As of 2015, Alexa having monthly visitors around 6.5 million peoples. Alexa is a trusted ranking system, used by advertisers to understand the potential of a website. In this Alexa checker tool, you can access the traffic rank of any website which is stored in their database.