Online publishers are posting consistently strong ? indeed, extraordinary ? financial results. Among the strongest are the online operations of traditional newspapers.

Online newspaper publishers saw revenues zoom 38% in 2004, and first-half performance signals similar gains this year. Online newspapers, in other words, grew faster than the overall online ad market last year, which grew 32.5% in 2004, and are on a pace to do it again in 2005.

A key question, of course, is how long these growth rates can be maintained. To find out, read eMarketer's new Online Publishing report.