Newspaper online revenues at The Washington Post Co. were $77.8 million for the first nine months of 2010, up 14 percent compared with the prior-year period, paidContent reported, adding that display ad revenue rose 26 percent in the third quarter and 21 percent in the first nine months of the year versus the year-ago periods.

The third-quarter earnings announcement marked the company’s first without Newsweek, which it sold to audio-equipment stalwart Sidney Harman at the end of the quarter, with paidContent reporting that The Washington Post Co. posted an $11.5 million loss in its discontinued operations column for Newsweek.

The newspaper division as a whole slashed its operating loss to $1.7 million in the third quarter from $23.6 million in the third quarter of 2009, according to paidContent.