Re:Firefox’s speed with large numbers of tabs leaves Chrome ...
by sp332 on Tuesday July 25, 2017 @01:02PM
(#14849525)
Download Developer Edition https://www.mozilla.org/en-US/firefox/developer/ (or Nightly), load up the page, and in the browser menu click "Report Site Issue".
1. https://testpilot.firefox.com/experiments/pulse