For each browsing session, Firefox Health Report records approximately how long you browsed (in seconds), and whether the session ended normally or because of a crash. Also includes startup times (in milliseconds) if available.
对于每一个浏览器会话，Firefox 健康报告会近似记录浏览的持续时间（按秒），以及会话是正常或者由于崩溃而终止。如果可能，还会包括启动时间（微秒）。