Alexa Basic

The other important thing beside pagerank is Alexa. This rank is made according traffic of site or blog. This rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and data obtained from other, diverse traffic data sources, and is a combined measure of page views and users. So you're visitor will not be count if didn't use Alexa Toolbar at their internet browser. To increase your Alexa rank, make sure your visitor install Alexa Toolbar at their internet browser.