Unsigned records here http://www.nabber.org/projects/dnscheck/?domain=patreon.com
Linux/Ubuntu servers are outdated and should be updated.
Blacklisted here http://multirbl.valli.org/lookup/patreon.com.html and here http://multirbl.valli.org/lookup/104.20.16.49.html
Found clean on several others.

FYI, I had no problems accessing the website and I did not get any pop-ups.

Use https://www.avast.com/contact-form.php?loadStyles