It turns out clicking on the answer after getting it right will dismiss it quicker than waiting for the next question. The totals do update internally, even if the counters don't visually (refreshing the page updates it).

Rice count from 21,000 to 21,050 Time starts at 5.217 and ends at 23.883 at 60 fps to get a final time of 0m 18s 667ms.