Startup time helps determine how well your version of Firefox is performing. In general, faster times (i.e. less time) indicate better performance.
Ri ruq'ijul tikirisab'äl, nuya' retal ri rutzil nub'än ri ruwäch Firefox. Chijun, ri anin taq q'ijul (jub'a ramaj) nuya' retal chi ütz rub'eyal nisamäj.