CaringBridge—a nonprofit web service that connects family and friends during a critical illness, treatment, or recovery—was by far the most-visited website in July in the "Community" category, followed by the Animal Rescue Site, according to Hitwise.
Download the Excel file of the above data.
The Hitwise data featured here (Top 15 US Websites, July 2009) is based on US market share of visits, as defined by the IAB—the percentage of online traffic to the domain or category—from the Hitwise sample of 10 million US Internet users.