The triumvirate of eBay, Amazon.com, and Craigslist sat atop the shopping and classifieds website rankings, with eBay clearly the leader, according to Hitwise data.
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.