Quote Originally Posted by Iscah View Post
PS4 doesn't log in through the web browser. It launches as its own program, and only opens the PS4 web browser if you try to follow any of the news links instead of logging in.
It still requires the internet browser to connect and if PS network is down you have no chance of getting in at all. The login page is based on the browser and the settings effect whether it works or not, it isn't a completely independent launcher.