Web scraping efficiency

import re
import time
import urllib2
from BeautifulSoup import BeautifulSoup
from lxml import html as lxmlhtml


def timeit(fn, *args):
    t1 = time.time()
    for i in range(100):
        fn(*args)
    t2 = time.time()
    print '%s took %0.3f ms' % (fn.func_name, (t2-t1)*1000.0)


def bs_test(html):
    soup = BeautifulSoup(html)
    return soup.html.head.title

def lxml_test(html):
    tree = lxmlhtml.fromstring(html)
    return tree.xpath('//title')[0].text_content()

def regex_test(html):
    return re.findall('<title>(.*?)</title>', html)[0]


if __name__ == '__main__':
    sample_html = urllib2.urlopen('http://blog.sitescraper.net/2010/06/web-scraping-with-regular-expressions.html').read()
    for fn in (bs_test, lxml_test, regex_test):
        timeit(fn, sample_html)