Apache HTTP server benchmarking tool in action

ab.sh

j@janne:~$ ab -n 1000 -c 15 https://stockwebappnwusdwyqedabc.azurewebsites.net/Errors/Random
This is ApacheBench, Version 2.3 <$Revision: 1706008 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking stockwebappnwusdwyqedabc.azurewebsites.net (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:        Microsoft-IIS/10.0
Server Hostname:        stockwebappnwusdwyqedabc.azurewebsites.net
Server Port:            443
SSL/TLS Protocol:       TLSv1.2,ECDHE-RSA-AES256-GCM-SHA384,2048,256

Document Path:          /Errors/Random
Document Length:        3510 bytes

Concurrency Level:      15
Time taken for tests:   13.888 seconds
Complete requests:      1000
Failed requests:        10
   (Connect: 0, Receive: 0, Length: 10, Exceptions: 0)
Non-2xx responses:      10
Total transferred:      4046760 bytes
HTML transferred:       3507570 bytes
Requests per second:    72.00 [#/sec] (mean)
Time per request:       208.320 [ms] (mean)
Time per request:       13.888 [ms] (mean, across all concurrent requests)
Transfer rate:          284.56 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:      123  145  26.5    135     324
Processing:    44   61  31.4     52     276
Waiting:       44   61  31.2     52     274
Total:        170  206  41.7    192     416

Percentage of the requests served within a certain time (ms)
  50%    192
  66%    204
  75%    213
  80%    220
  90%    248
  95%    313
  98%    363
  99%    370
 100%    416 (longest request)
j@janne:~$