It makes one of the most popular web browsers (Firefox), along with other useful products and services. Mozilla is a large, open-source, worldwide, software organization staffed by both employees and volunteers. So how did Mozilla do it? What was involved in this redesign? Who is Mozilla However, for Mozilla, which gets huge amounts of traffic, the improvement is certainly worth the trouble, as it would be for almost any big site or company that does substantial business online. Is it worth spending 14 weeks to become 3 times better? This depends on the hourly rate for your staff and the value of your site and thus cannot be answered in general. The cost involved in this redesign was 14 person-weeks or 560 person-hours. In this article we tell the story of Mozilla's support site, which was able to get a 233% improvement out of a redesign for usability. (Here's an explanation of how the improvement score was computed.) Thus, we can say that the redesigned site was about 3 times better than the original site. But a redesign for usability can still save you a significant amount of money. In recent years, we've seen a decline of the ROI for usability, most likely due to approaching a ceiling of usability improvements: With more than 20 years of web-design experience under their belt, designers have learned a few things and fixed quite a few problems. One of the more frequent questions that we get asked by our clients or by our seminar attendees is: "Is a redesign for usability worth it?" In other words, what is the return-on-investment (ROI) of a redesign?
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