Checking if a website is up via Python

I think the easiest way to do it is by using Requests module.

import requests

def url_ok(url):
    r = requests.head(url)
    return r.status_code == 200

You could try to do this with getcode() from urllib

import urllib.request

print(urllib.request.urlopen("https://www.stackoverflow.com").getcode())

200

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For Python 2, use

print urllib.urlopen("http://www.stackoverflow.com").getcode()

200