Firefox Tweaks: Sounds Promising

"8 Easy Firefox Tweaks for Super Fast Web Browsing"
mad WAHM (April 13, 2008)

"Fast loading web pages while surfing the Internet may have more to do with your web browser settings and preferences than your Internet connection speed.

"Try these easy tweaks and you'll see that you’re surfing the Internet from 3 to 30 times faster!"

These sound promising, but I'm no expert. I'd appreciate hearing from anyone who's tried these.