Yahoo!, USA Today, ABC News and Advance saw unique visitors to their websites grow in April compared to March, while all other sites saw declines, data from comScore shows.

To determine the most viewed news websites in the U.S., we merged comScore's data on newspaper websites with its data on general news and information sites. Based on that merger, these are the most visited news sites in April:

Website April Uniques (000)
Yahoo! News Network 88,243
CNN Network 75,896
MSNBC 51,051
AOL News 40,267
The New York Times Brand 32,917
Huffington Post 29,926
Tribune Newspapers 28,063
FOXNEWS.COM 24,020
USATODAY Sites 23,073
ABCNEWS DIGITAL 22,719
Advance Internet 18,412
CBS News 16,426
WASHINGTONPOST.COM 16,184
Mail Online 16,117
Hearst Newspapers 14,534
Wall Street Journal Online 14,123
MediaNews Group 13,151
McClatchy Corporation 13,018
BBC News 11,639
Examiner.com Sites 11,632
NYDAILYNEWS.COM 9,880
GUARDIAN.CO.UK 9,773
TOPIX.COM 8,585
Belo 8,430
Slate 6,747

A few notes about the data:

Other comScore data released today reveals that since the introduction of its paid online subscription model in March, the New York Times saw its share of total page views to newspaper sites drop in April, when compared to previous months (see below).

We would not predict what the May metrics will show, however Experian hitwise data on traffic to the top 10 news sites during news of Osama bin Laden's death show Yahoo and MSNBC capturing a majority of visits: