User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0 Build ID: 20180928100051 Steps to reproduce: 1. enable WR 2. I had 4 tabs opened : http://teamcoco.com/italy/conan-visits-jordan-s-favorite-restaurant?playlist=x;eyJ0eXBlIjoiZXRhZyIsImlkIjo3MTA4M30 https://www.reddit.com/r/IAmA/comments/1i39pf/i_am_sona_movsesian_conan_obriens_assistant_ama/?sort=qa http://teamcoco.com/jordan http://teamcoco.com/remotes?page=2 3. I was on the reddit AMA page, when i noticed high CPU use Actual results: high CPU use. http://bit.ly/2Qf5OEo however, i cant reliably repro it Expected results: not so