http_header(user-agent): Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0
single_page_link: //ul[@class='util-nav']//a[@class='close']
test_url: http://www.linkedin.com/news?actionBar=&articleID=894735221&ids=0Rdj4Qe3wQejwIczAOc3sRdzwUb3wScPoPdzkVe2MNcz8RcPsQejwIcPASdjwTcjwU&aag=true&freq=weekly
test_url: https://www.linkedin.com/pulse/google-facebook-ad-traffic-90-useless-omid-sadeghpour