We serve large websites in countries where Firefox usage is <0.5% of the total traffic. As long as the website is not utterly broken, it's hard to make a good c

We serve large websites in countries where Firefox usage is <0.5% of the total traffic. As long as the website is not utterly broken, it's hard to make a good case for fixing it. However, we do run all our UI tests against Firefox, Chrome and Safari. Firefox just gets a little less love.