This is triggering mixed content blocker when on https:

"Blocked loading mixed active content "http://collusiondb.mofoprod.net/databaseSiteList?callback=jQuery17103814989447189301_1382455135603&_=1382455135879" @ https://www-demo2.allizom.org/media/js/common-resp-min.js?build=a67324f:2"