about:config => network.http.max-persistent-connections-per-server
ref: http://mypchell.com/guides/17-set-firefox-to-allow-10-simultaneous-downloads
about:config => network.http.max-persistent-connections-per-server
Set Firefox to Allow 10 Simultaneous Downloadshttp://t.co/uzg3DtzSpS
— 「เลาเองเลาไงมีไลล๋อ」#COYG ⚽ (@sornram9254) August 30, 2015