If your site doesn’t work in “Firefox” you might be causing more misery for your visitors than you imagine, particularly if you care about marketers, tech folk, early adopters, and influencers. Those in the know are much more likely to be using Firefox as their default browser when compared to the general North American population where Firefox use is “estimated” at less than 10% penetration.

Here’s how One Degree users breakdown:

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The “Other” is a mishmash of various flavors of Opera, Safari, and Netscape. No sign of “Flock” yet — maybe it calls itself Mozilla?

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Originally published at www.onedegree.ca on July 9, 2006.