All the data provided by ImproveAlexaRank.net are purchased from the authorized service of Alexa Web Information Service(aws.amazon.com/awis), which is provided by the parent company of Alexa.com–Amazon.com. So all the data you see here are exactly the same as the real-time ones in alexa system. Moreover, you can get more comprehesive alexa data here, such as the yesterday, 7-day average, and 1-month average alexa rank, which are no long available at alexa.com without paying.