Don’t Believe Web Traffic Numbers

by on February 20, 2010 · 3 comments

I’ve always viewed web traffic numbers with great suspicion, if for no other reason than they are all over the board. But the amazing Carl Bialik, the Wall Street Journal’s “numbers guy,” does us another great service today in his latest column, “The Trouble With Web-Traffic Numbers,” by walking us through exactly how big of a mess these numbers really are. Carl is the closest thing we have to a statistical ombudsman for the Internet as he repeatedly illustrates in his column how numbers can deceive and distort.

In terms of bogus web traffic numbers, there’s plenty of distortion going on. He quotes Erin Pettigrew, marketing director for Gawker Media, as saying that “For an industry that relies so heavily on accurate data and numerical accountability, relying on an estimate is embarrassing, antiquated.” Too true.  Of course, with so many people frequently deleting their cookies and now accessing websites from different machines, it’s not surprising that the numbers are such a jumble.

One of the reasons it’s so important to try to improve web traffic metrics is because it is essential to the advertising business, which powers the web and all the great content and services we consume online. More accurate web traffic metrics can help better direct and target ads across the web. But it won’t be easy.

Anyway, read Carl’s piece for all the details. And thank you Carl for always reminding us that there are “lies, damned lies, and statistics.”

  • http://readymadeweb.com/2010/02/20/making-sense-of-web-traffic-numbers/ Making Sense of Web Traffic Numbers

    [...] Thanks to Adam Thierer, my co-blogger at TechLiberation.com, for pointing out Bialik’s [...]

  • http://www.cordblomquist.com cordblomquist

    Adam, you might want to check out a little piece I wrote on this from a user's perspective at ReadyMadeWeb: http://readymadeweb.com/2010/02/20/making-sense…

    While I think there might be some truth to the claims that folks like Jason Calacanis make comScore and others fudging the numbers in favor of their subscribers, you also have to consider the technical hurdles to accurate measurement. It may not just be manipulation that makes measure of web traffic so different, it may simply be that it's really, really tough to measure this stuff.

    I'd also encourage everyone to read Paul Boutin's piece at Slate on the same issue: http://www.slate.com/id/2136936/nav/navoa/

  • http://www.cordblomquist.com cordblomquist

    Adam, you might want to check out a little piece I wrote on this from a user's perspective at ReadyMadeWeb: http://readymadeweb.com/2010/02/20/making-sense…

    While I think there might be some truth to the claims that folks like Jason Calacanis make comScore and others fudging the numbers in favor of their subscribers, you also have to consider the technical hurdles to accurate measurement. It may not just be manipulation that makes measure of web traffic so different, it may simply be that it's really, really tough to measure this stuff.

    I'd also encourage everyone to read Paul Boutin's piece at Slate on the same issue: http://www.slate.com/id/2136936/nav/navoa/

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