According to research, Mozilla’s “Firefox” browser ended 2007 with a significant increase in its usage.

Its still hasn’t caught up with Internet Explorer, but still ended the year with a significant market share of 28%. So, bearing this in mind, have you taken a look at your site in Firefox recently to check that its looking as good as it does in Internet Explorer?

The research in question, was performed by French internet traffic analysis company XiTi Monitor (so its also written up in French) here [link courtesy of Wired Magazine] and here’s Wired magazine’s take on the research.

While this article focuses on the reason’s why Firefox’s popularity is on the increase, it doesn’t touch on what this means for the website owner, namely that it is no longer acceptable to pass off alternative browsers as passing fads, or un-important. It is now more important than ever that your site looks the same when viewed through Internet Explorer, Firefox, Opera and Safari. At the very least, a user should still be able to navigate your site in any of those browsers (you’d be surprised just how many sites we see where this is not the case!).