As like our PageRank checking tool have multiple check facility, also alexa rank checker give upto 5 URL check. We build this web application with the help of Alexa API. This ranking calculated by Alexa for each website, you can get more data related to any website from Alexa website.
We build this application only to give facility to check anyone upto 5 website Alexa Rank. Also we build API to get upto 5 alexa rank.