Prerequisites

phantomjs --version
2.1.1

node --version
v4.4.7

How to test

npm i
node index.js
phantomjs phantomjs.js

At first time you might not see the error, but run phantomjs again, and you will see (along with some stupid errors but anyway)

Opening the page now..
2016-09-30T15:53:15 [CRITICAL] QNetworkReplyImpl: backend error: caching was enabled after some bytes had been written