Using uBlock Origin under Fx55 with latest Easylist. Something in Easylist is causing some videos to take about 30-45 seconds to load before they play. An example video is...
Testing has determined that some rule within the EasyList subscription is causing some videos at msn.com to not play right away. Disabling the subscription causes the video to play immediately. I discovered that the domain 'fwmrm.net' is the culprit. When I allow this domain in uBO an ad plays first then the actual video. I suppose the delay was as if the ad was playing. This is not the same problem I had with msn.com in the recent past.
Example video: http://www.msn.com/en-us/news/good-news/in-sweet-reunion-baby-with-glasses-sees-military-dad-clearly-for-the-first-time/vi-BByc5rU.
There is a couple of ads that cant be blocked. These are at the top and right part of the webpage. The latter is specially annoying since is an audio/video ad.