How can I make Firefox more fluid

i have tried many linux distro, and at now for me is the best. i have an hp notebook with amd a10 and radeon graphics. with realtek het pci card all works very nice. only i have to understand how optimize Firefox. with YouTube streaming, fan start running very fast, for high use of cpu

See: Firefox - ArchWiki

nice tips!!! works great. many many tnx bro