Do you remember whether Disqus is used for comments on that site? Recently a number of users reported that Firefox's Enhanced Tracking Protection feature was blocking Disqus when it is embedded on other sites. We haven't had any other reports recently, but in case it's relevant, the following threads have workarounds: * https://support.mozilla.org/questions/1440183 * https://support.mozilla.org/questions/1439984

The Mirror uses Viafoura comments which is blocked by Strict Tracking Protection. Your options are to: 1. [[Enhanced Tracking Protection in Firefox for desktop#w_standard-enhanced-tracking-protection|Downgrade Tracking Protection to Standard]]. 2. [[Enhanced Tracking Protection in Firefox for desktop#w_what-to-do-if-a-site-seems-broken|Disable Tracking Protection for the site]]. 3. Create '''urlclassifier.trackingSkipURLs''' (String) with value '''*.viafoura.co''' in [https://support.mozilla.org/en-US/kb/about-config-editor-firefox about:config].