47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
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#!/usr/bin/env python3
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#
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# Copyright 2019, Mischa Peters <mischa AT netskope DOT com>, Netskope.
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# Version 1.0 - 20191028
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#
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# Measure timing for DNS lookup as well as HTTP page load
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#
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# Requires:
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# - Python 3.x
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#
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import argparse
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import socket
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import time
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import ssl
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import urllib.request
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from urllib.parse import urlparse
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parser = argparse.ArgumentParser(description="Measure load times", epilog="2019 (c) Netskope")
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parser.add_argument("url", type=str, help="url (eg. https://google.com)")
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try:
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args = parser.parse_args()
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url = args.url
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except argparse.ArgumentError as e:
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print(str(e))
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print (url, "timing:")
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urlinfo = urlparse(url)
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request_headers = {'Cache-Control': 'no-cache', 'User-Agent': 'Mozilla/5.0'}
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no_cert_check = ssl.create_default_context()
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no_cert_check.check_hostname=False
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no_cert_check.verify_mode=ssl.CERT_NONE
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start = time.time()
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ip = socket.gethostbyname(urlinfo.netloc)
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dns_time = time.time()-start
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print ("DNS Lookup:\t{:.3f} seconds".format(dns_time))
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start = time.time()
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req = urllib.request.Request(url, headers=request_headers)
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content = urllib.request.urlopen(req, context=no_cert_check).read()
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load_time = time.time()-start
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print ("Page Load:\t{:.3f} seconds".format(load_time))
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print ("w/o DNS Lookup:\t{:.3f} seconds".format(load_time-dns_time))
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