Google Analytics and Tag Manager is being shimmed by Firefox. See https://bugzilla.mozilla.org/show_bug.cgi?id=1713687 for details.
sandbox eval code:1:9
STOP! Great power comes great responsibility!
app.min.js:1:27552
JSON.parse: unexpected character at line 1 column 1 of the JSON data
player.min.js:1:2836