Get average TTFB, TTLB for website

average_ttfb_ttlb.py

import numpy
import urllib2
import time
import sys

if len(sys.argv) < 2:
    sys.stout.write( "Usage: %s http://page/ counter\n" % sys.argv[0])
    sys.exit(0)

site = sys.argv[1]
count = int(sys.argv[2])

opener = urllib2.build_opener()
request = urllib2.Request(site)
res_ttfb = []
res_ttlb = []


def timing():
    start = time.time()
    resp = opener.open(request)
    # read one byte
    resp.read(1)
    ttfb = time.time() - start
    # # read the rest
    resp.read()
    ttlb = time.time() - start

    return ttfb, ttlb


sys.stdout.write("timing %s %d times\n" % (site, count))

for i in range(count):
    sys.stdout.write(".")
    sys.stdout.flush()
    ttfb, ttlb = timing()
    res_ttfb.append(ttfb)
    res_ttlb.append(ttlb)

print
print "min, avg, max TTFB for %d results" % len(res_ttfb)
print 50 * "-"
print "%8f %8f %8f" % (
    numpy.min(res_ttfb),
    numpy.mean(res_ttfb),
    numpy.max(res_ttfb),
)
print
print "min, avg, max TTLB for %d results" % len(res_ttlb)
print 50 * "-"
print "%8f %8f %8f" % (
    numpy.min(res_ttlb),
    numpy.mean(res_ttlb),
    numpy.max(res_ttlb),
)