[root@vps scripts]# /usr/local/apache/bin/ab -k -c 10 -n 100 -H "Accept-Encoding: gzip;" http://latestscience.net/ This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright 2006 The Apache Software Foundation, http://www.apache.org/ Benchmarking latestscience.net (be patient).....done Server Software: Apache/2.2.8 Server Hostname: latestscience.net Server Port: 80 Document Path: / Document Length: 13075 bytes Concurrency Level: 10 Time taken for tests: 37.979742 seconds Complete requests: 100 Failed requests: 45 (Connect: 0, Length: 45, Exceptions: 0) Write errors: 0 Keep-Alive requests: 100 Total transferred: 1377822 bytes HTML transferred: 1307412 bytes Requests per second: 2.63 [#/sec] (mean) Time per request: 3797.974 [ms] (mean) Time per request: 379.797 [ms] (mean, across all concurrent requests) Transfer rate: 35.41 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 1 Processing: 1888 3735 4200.0 2388 16445 Waiting: 1888 3735 4199.8 2388 16445 Total: 1888 3735 4200.1 2388 16446 Percentage of the requests served within a certain time (ms) 50% 2388 66% 2436 75% 2471 80% 2498 90% 15916 95% 16283 98% 16431 99% 16446 100% 16446 (longest request)