Facebook.com received 9% of all U.S. Internet visits in April

Experian Hitwise, which measures all sorts of traffic and activity on the Web, has released a new batch of stats around Facebook, helping to fuel all the hoopla in the run-up to Friday's IPO. For all the debate over its business model, Facebook obviously isn't hurting for traffic. In the U.S., one in every five page views was to Facebook.

Here are some other findings:

• Facebook.com received more than 1.6 billion visits a week and averaged more than 229 million U.S. visits a day for the year-to-date.
• Facebook.com received 9% of all U.S. Internet visits in April 2012.
• Facebook.com has received more than 400 billion page views this year in the U.S
• The average visit time on Facebook.com is 20 minutes.
• The Facebook.com audience skews more female (56%) than male.
• Facebook.com became the No. 1 ranked website in the U.S. on March 9, 2010.
• The term 'Facebook' is the most searched term in the U.S. and has been for the past three years, starting the week ending July 18, 2009.
• Facebook-related terms account for 6 percent of the top searched terms in the U.S. and Facebook-related terms made up 4 of the top 10 U.S. searches (among the top 100 search terms for the 4 weeks ending May 12, 2012).
• Facebook.com users are highly loyal; 96% of visitors to Facebook.com were returning (defined as visited within past 30 days) visitors in April 2012.
• 10 states account for 52 percent of visits to Facebook.com -- California, Texas, New York, Florida, Illinois, Pennsylvania, Ohio, Michigan, Georgia, North Carolina based on year-to-date average.
• The top states where users are more likely to visit Facebook.com versus the online population are: West Virginia, Kentucky, Maine, Vermont, Arkansas, Iowa, Indiana, Mississippi, Oklahoma and Alabama based on year-to-date average.
• The term 'Facebook' is the most searched term in the U.S. and has been for the past three years, starting the week ending July 18, 2009.
• Facebook.com is the top social networking site in the U.S., Canada, U.K., Brazil, France, Australia, New Zealand, Hong Kong and Singapore markets.
• Facebook.com is the top overall site in the U.S., Canada, New Zealand, Hong Kong and Singapore. Facebook.com ranks 2nd in the U.K., Brazil, France and Australia.