Python : How to check if a given site is accessible through a proxy network? -

if our network has proxy , sites can not opened. want check iteratively , how many sites can accessed through our network.

find out source code of proxy block page is.

use urllib , beautifulsoup try , scrape page , parse page's source code see if can find unique can tell if site accessible or not.

for example, in office, when page blocked our proxy title tag of source code <title>network error</title>. such identifier you.

just quick idea.

so example have url's test in list , iterate through list in loop , try , scrape each site.