POF is number one and still growing. The site grows, on average, 30% every year!
55 million members, 24 million messages sent per day, 50,000 new signups per day, and 10 billion pageviews every month.
The Vancouverite Behind Plenty of Fish
The Globe and Mail Report on Business
August 25, 2011
Online Dating Faceoff: Match.com vs. POF
February 11, 2010
Love, but not at first site
The Sunday Times UK
February 14, 2010