My Version 6 (OS X 10.8), Safari is rejected as well, I should be using 'Chrome, Firefox, or Safari' apparently. By incrementing the useragent I discovered that

My Version 6 (OS X 10.8), Safari is rejected as well, I should be using 'Chrome, Firefox, or Safari' apparently. By incrementing the useragent I discovered that it loads and all works just fine when I pretend I'm using Safari 8, there's no 'proceed at your own risk' link so I can only chalk it up to google being dicks.