The research group analysed unique visitors to 25 U.S. newspaper Web sites, including both individual sites and group sites. The comScore data covers the period of May-July 2006 and compares it to figures from May-July 2007.

“We see that many news Web sites actually lost ground year-over-year, welcoming fewer unique visitors,” Doctor wrote, according to E&P.

The main reason for the drop off of reader numbers is that an increasing number of online newspaper readers are visiting search aggregators, such as Google News, and broadcast news site, especially in larger cities, E&P reported.