thanks for replying, and I know Chrome separates its processes. And I just wander sometimes Firefox use the same memory when I open 4 or 8 pages. Even it uses m

thanks for replying, and I know Chrome separates its processes. And I just wander sometimes Firefox use the same memory when I open 4 or 8 pages. Even it uses more memory for no reason(e.g. I open 2 pages, but it will increases).