by february 2009, compete.com ranked twitter the third most-used social network, based on their count of 6 million unique monthly visitors and 55 million monthly visits. as of february 2013, twitter had 200 million registered users. it gets 300,000 new users a day and, as of august 2015, was ranked twelfth in the world. it receives more than 300 million unique visitors and more than five billion people in traffic a month. 75% of its traffic comes from outside of twitter.com.