or download this
#with bind_param
$ ab -n100 -c10 'http://127.0.0.1/run/checkmail?mailbox=test' | grep R
+equest
...
#removed bind_param
$ ab -n100 -c10 'http://127.0.0.1/run/checkmail?mailbox=test' | grep R
+equest
Requests per second: 77.77 [#/sec] (mean)