2.利用curl请求目标域名,就可以得到处理各个阶段的耗时情况: curl -w "@curl-format.txt" -o /dev/null -s -L "https://www.example.com" time_namelookup: 0.012 time_connect: 0.182 time_appconnect: 0.718 time_redirect: 0.000 time_pretransfer: 0.718 time_starttransfer: 0.887 --- time_total: ...