>I'm giving Firefox another try since I really believe that it is the most secure browser.
>I've running uBlock Origin and Privacy Badger and whatever Firefox has built-in.
>Anyway, this is the only website that I'm having a problem with. My guess is the News feed with pictures and snippets is taking a long time to load up and the page becomes unresponsive where I can't click on links or do anything until it finishes loading.

No problem here on Firefox 70.0.1 (64-bit) with uBlock Origin and Privacy Badger.