After taking the crown for being the "fastest web-browser" in the latest 2013 Tom's Hardware benchmarks, the free and open-source web-browser Firefox grabbed another feather for it's cap by being the most stable of the lot. Sauce Labs an automated selenium unit testing service provider, crunched their data of more then 55+ million test runs and plotted the web-browser crash rate letting users a glimpse into the most stable and most crash-prone web-browser as shown below. Do note that most recent version of Google Chrome and Mozilla Firefox do not feature in these tests, as they did not had data from at least 1,000 jobs to get qualified for this analysis.