6. Browser Incompatibility

I admit it: During my spring 2004 seminars, I downgraded cross- platform compatibility to a one-star guideline (that is, “worth thinking about if you have extra project time, but not a priority”). At that time, almost everybody used Internet Explorer and the business case for supporting other browsers was getting pretty tough to defend on an ROI basis.

Today, however, enough people use Firefox (and various other minority browsers, like Opera and Safari) that the business case is back: Don’t turn away customers just because they prefer a different platform.