@Fergal - I think @CyberFreak gave you the right answer, I use Firefox browser. I should have remembered about that darn tracker because it does that when I'm trying to view an embedded tweet no matter what site I am at. The funny thing is it does not do that with an embedded Instagram post. I don't get it. But at least y'all know that your Feature works great!
CyberFreak wrote:If it is longer than that it could be something blocking the scripts. Anything that blocks JS, adblockers or trackers can cause issues.
Thanks CyberFreak, it doesn't load for me even after waiting some time, so it is probably an adblocker.
Thanks for adding this functionality, it is a very nice addition to the forum.