News for hackers. Stuff that matters.
Re:Firefox’s speed with large numbers of tabs leaves Chrome ... by jamesgeck0 on Tuesday July 25, 2017 @12:44PM (#14849287)
A couple weeks ago I'd've advised reporting those pages with the Pulse extension [1], but it looks like it's recently been retired.

1. https://testpilot.firefox.com/experiments/pulse

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".