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Blog Jul. 21, 2011 | Share

A Look Back in Time... at the Most Visited Web Domains of 1996!

The list of top domains in 1996 includes a few names that are very much still around and among the biggest Internet companies, while many others have long since been acquired or forgotten. Ranking at the top of the 1996 list was AOL.com with a penetration of U.S. Internet users of 41%. Webcrawler.com ranked second at 33%, followed by Netscape.com (31%),... Read more

Blog Nov. 4, 2009 | Share

Page Load Performance Can Affect Consumer Behavior: How Does Your Site Measure Up?

I am very excited to announce that comScore recently introduced a new capability for measuring page load data, which allows Web site operators to benchmark the performance of their sites vs. their competitors. This new capability was made feasible through a software upgrade that allows us to record each time a web page fully loads and the amount of... Read more

Blog Mar. 2, 2009 | Share

Traffic With Sleeves

Recently, a certain blanket with sleeves - otherwise known as the Snuggie - has become a national phenomenon, infiltrating pop culture with its ubiquitous infomercial, celebrity Snuggie sightings and Facebook groups. Read more

Blog Oct. 23, 2007 | Share

The Challenges of Reconciling Panel-Based and Server-Based Unique Visitor Counts

Louise Story’s October 22nd article in the New York Times, entitled “How Many Site Hits? Depends Who’s Counting” highlights the challenges of getting up to speed on the continuing debate about the differences between the online unique visitor counts provided by publishers’ web server logs and the independently measured unique visitor counts... Read more

Blog Jun. 6, 2007 | Share

comScore's Cookie Deletion White Paper Now Available

comScore's cookie deletion white paper is now available to the public. This white paper goes into much greater detail than previously released, and is a must-read for those serious about understanding Web measurement. Please visit <a href="http://www.comscore.com/request/cookie_deletion.asp">www.comscore.com/request/cookie_deletion.asp</a>... Read more

Blog Jun. 4, 2007 | Share

Thoughts on Wal-Mart and ISP Data

Last month in the Wall Street Journal, I read an article by Carl Bialik, aka “The Numbers Guy,” in which he mentioned the use of retailers’ UPC sales scanner data in the consumer packaged goods industry for measuring manufacturers’ market share trends. According to The Numbers Guy “Industrywide U.S. sales data have been hamstrung by the omission... Read more

Blog May. 30, 2007 | Share

From “Goat” to “Hero”: The Saga of the IAB Summit

Who would have thought, a few weeks ago, that Randy Rothenberg, President & CEO of the IAB, would refer to comScore and Netratings as “the heroes of the interactive marketing and media ecosystem”? Read more

Blog Apr. 26, 2007 | Share

comScore Responds to IAB Open Letter

Recently, comScore was asked by the IAB to provide clearer transparency with regards to our panel methods for measuring the size of online audiences. comScore welcomes the objective outlined in the IAB Open Letter. We have already had positive and productive discussions with the IAB to initiate a thoughtful and cooperative process for achieving greater... Read more

Blog Apr. 23, 2007 | Share

comScore Cookie Deletion Study and its Implications for Internet Audience Measurement

Hello, I’m Magid Abraham, and I’m the co-founder, president and CEO of comScore. Here on comScore Voices, I hope to share insight on the latest trends and advances in digital media measurement. Read more

Blog Apr. 17, 2007 | Share

Cookie Deletion Rates and the Impact on Unique Visitor Counts

We issued an important press release today showing the results of a comScore study on the rate of cookie deletion, and the impact this has on the accuracy of cookie-based server data in measuring unique visitors (UVs) to a site or the reach and frequency (R/F) of an online ad campaign. We based the study on the comScore U.S. database of 400,000 computers.... Read more