Quantcast, a web analytics company, is reporting today that Tumblr has reached to a worldwide audience of 170 million visitors, gaining upto 50M users since January 2012. Tumblr is now also listed in top 10 most-visited websites in the USA, according to the company’s blog post.
According to report, the Tumblr — reaching a bit — now boasts 168,243,984 worldwide monthly visitors; wherein 60,803,592 visitors are from the U.S.A.
Regardless of data methodology, the site is certainly having a big growth year with lots of highs and lows — the highlights included the microblogging service’s role with 434 posts per second (reported in September 2011) and its continued effort to improve its mobile experience (which include a new photo sharing app). Thoughts?