Upworthy's key metrics have shifted away from measuring unique visitors and page views to something called "attention minutes" according to Pariser.
The market share numbers reported in this article come from Net Applications' Net Market Share Report which measures unique visitors from approximately 40,000 global websites.
So you could argue, and many do, that FriendFeed is simply riding on the coattails of Twitter and will never actually catch up. 2. This comScore data merely measures unique visitors and does not necessarily correlate with the number of users on FriendFeed.
It measures unique visitors, or the number of devices used to access a particular site.
In a single day, we're measuring unique visitors to that single post in fractions of millions, easy.
Articles receiving the Open Access treatment received significantly more readership (as measured by article downloads) and reached a broader audience (as measured by unique visitors), yet were cited no more frequently, nor earlier, than subscription-access control articles.
Internet audience measurer Media Metrix reported that Lycos' sites beat Yahoo! by a slim margin in March, measured in unique visitors.
In the year to date, our average online audience (measured by unique visitors) is nearly double the size of the same period last year.
Traffic at the papers' Web sites, DetNews.com and Freep.com, rose 60 percent over the previous Christmas, measured by unique visitors, and 40 percent on Dec. 26, Mr. Wolman said.
(ComScore measured 32 million unique visitors worldwide in April).
