It's not the default yet, but you can already enable multi-process in Firefox by...

		icebraining on Jan 6, 2016 \| parent \| context \| favorite \| on: This is party time; Internet Explorer 8, 9 and 10 ... It's not the default yet, but you can already enable multi-process in Firefox by toggling the "browser.tabs.remote" option in about:config. It should ship as the default this year.