Mixed content prevents loading & display of properties, etc (Firefox 59, Chrome 65)

[dbs]

Using modern browsers like Firefox 59 and Chrome 65 and trying to browse properties, etc (such as at https://www.rdaregistry.info/Elements/i/), the user experience is a "Loading..." status forever. This is because the page itself is served up under HTTPS, but the JSON file that is dynamically requested is served up under HTTP.

In Firefox the message is simply:

Blocked loading mixed active content “http://rdaregistry.info/Elements/i.jsonld”

In Chrome the message is:

jquery.js:8630 Mixed Content: The page at 'https://www.rdaregistry.info/Elements/i/' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'http://rdaregistry.info/Elements/i.jsonld'. This request has been blocked; the content must be served over HTTPS.

[dbs]

Perhaps the fix is as simple as updating the URL at https://github.com/RDARegistry/www.rdaregistry.info/blob/master/docpad.coffee#L15