Thank you OP. Great share. Worked for me in Safari...
1) cleared cache
2) logged into United (verified by viewing itinerary)
3) clicked link above
3a) the first time, it re-linked to a generic page
3b) closed that window and clicked again... viola
4) On the application page under annual fee it explicitly states first year free then $395
Awesome! This brightened a dark day in San Diego (it's sunny here, but I just filed taxes)