I'm trying to embed a Twitter feed widget in an HTML block on a course. For some reason the block won't load the .js and only displays the fallback hyperlink. I've applied the suggestion here about trying it in the sandbox Moodle and it displayed correctly.
I've tried it in an HTML block and course sticky area. I've verified the problem with Chrome (53 64bit) and Safari on our school network and Firefox on my phone (not on school network).
Running 3.1.1 with Essential theme (though clean theme makes no difference). (moodle.isd186.org)
<a class="twitter-timeline" href="https://twitter.com/MsSLevasseur">Tweets by MsSLevasseur</a> <script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
I'm out of ideas. What am I missing?