ab -c 100 -n 10000 http://localhost.local:8000/

ab (Go)

Server Software:        
Server Hostname:        localhost.local
Server Port:            8000

Document Path:          /
Document Length:        1048576 bytes

Concurrency Level:      100
Time taken for tests:   28.764 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      10490065728 bytes
HTML transferred:       10488905380 bytes
Requests per second:    347.65 [#/sec] (mean)
Time per request:       287.642 [ms] (mean)
Time per request:       2.876 [ms] (mean, across all concurrent requests)
Transfer rate:          356144.87 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    6   3.4      5      29
Processing:     4  281  48.8    271     678
Waiting:        1   13  22.4      8     385
Total:          5  287  48.7    277     681

Percentage of the requests served within a certain time (ms)
  50%    277
  66%    285
  75%    291
  80%    297
  90%    327
  95%    359
  98%    392
  99%    430
 100%    681 (longest request)