Vimperator is one of two things that keep me on Firefox. The other is not having a single process per tab. I typically have 40-50 tabs open at any one time. On

Vimperator is one of two things that keep me on Firefox. The other is not having a single process per tab. I typically have 40-50 tabs open at any one time. On chrome that chews through memory. On Firefox it chews through significantly less.