HUFFINGTONPOST.COM - Is there a website that you can't go a day without checking? Chances are, a few million other people have the same favorite, if web data company Alexa's list of the world's 500 most popular sites is any indication.
Alexa's web stats are updated daily, but its ranking system relies on three months worth of information. The rankings consist of several different criteria including a website's global reach and number of pageviews. "Alexa computes traffic rankings by analyzing the Web usage of millions of Alexa Toolbar users and data obtained from other, diverse traffic data sources," the company's site reads. click here for the list